Home / 740,504.04-1,021,895.58-400,972.29

Finding the Fourth Proportional to 740,504.04, 1,021,895.58 and 400,972.29

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Solution

The fourth proportional to 740,504.04, 1,021,895.58 and 400,972.29 is: 553,341.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,504.04 : 1,021,895.58 = 400,972.29 : x
  2. Step 2: Convert to fraction form
    740,504.04/1,021,895.58 = 400,972.29/x
  3. Step 3: Cross multiply
    740,504.04x = 1,021,895.58 × 400,972.29
  4. Step 4: Simplify right side
    740,504.04x = 409,751,810,853.48
  5. Step 5: Solve for x
    x = 409,751,810,853.48/740,504.04
  6. Step 6: Final answer
    x = 553,341.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.