Home / 672,784.40-1,009,176.60-461,782.64

Finding the Fourth Proportional to 672,784.40, 1,009,176.60 and 461,782.64

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Solution

The fourth proportional to 672,784.40, 1,009,176.60 and 461,782.64 is: 692,673.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,784.40 : 1,009,176.60 = 461,782.64 : x
  2. Step 2: Convert to fraction form
    672,784.40/1,009,176.60 = 461,782.64/x
  3. Step 3: Cross multiply
    672,784.40x = 1,009,176.60 × 461,782.64
  4. Step 4: Simplify right side
    672,784.40x = 466,020,234,574.22
  5. Step 5: Solve for x
    x = 466,020,234,574.22/672,784.40
  6. Step 6: Final answer
    x = 692,673.96

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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.