Home / 775,660.48-1,069,528.92-546,144.40

Finding the Fourth Proportional to 775,660.48, 1,069,528.92 and 546,144.40

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Solution

The fourth proportional to 775,660.48, 1,069,528.92 and 546,144.40 is: 753,057.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,660.48 : 1,069,528.92 = 546,144.40 : x
  2. Step 2: Convert to fraction form
    775,660.48/1,069,528.92 = 546,144.40/x
  3. Step 3: Cross multiply
    775,660.48x = 1,069,528.92 × 546,144.40
  4. Step 4: Simplify right side
    775,660.48x = 584,117,224,948.40
  5. Step 5: Solve for x
    x = 584,117,224,948.40/775,660.48
  6. Step 6: Final answer
    x = 753,057.87

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Double scale
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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.