Home / 1,020,395.97-1,530,064.50-300,644.24

Finding the Fourth Proportional to 1,020,395.97, 1,530,064.50 and 300,644.24

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Solution

The fourth proportional to 1,020,395.97, 1,530,064.50 and 300,644.24 is: 450,810.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,395.97 : 1,530,064.50 = 300,644.24 : x
  2. Step 2: Convert to fraction form
    1,020,395.97/1,530,064.50 = 300,644.24/x
  3. Step 3: Cross multiply
    1,020,395.97x = 1,530,064.50 × 300,644.24
  4. Step 4: Simplify right side
    1,020,395.97x = 460,005,071,103.16
  5. Step 5: Solve for x
    x = 460,005,071,103.16/1,020,395.97
  6. Step 6: Final answer
    x = 450,810.36

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.