Home / 909,572.28-1,255,701.87-547,077.06

Finding the Fourth Proportional to 909,572.28, 1,255,701.87 and 547,077.06

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Solution

The fourth proportional to 909,572.28, 1,255,701.87 and 547,077.06 is: 755,262.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,572.28 : 1,255,701.87 = 547,077.06 : x
  2. Step 2: Convert to fraction form
    909,572.28/1,255,701.87 = 547,077.06/x
  3. Step 3: Cross multiply
    909,572.28x = 1,255,701.87 × 547,077.06
  4. Step 4: Simplify right side
    909,572.28x = 686,965,687,276.10
  5. Step 5: Solve for x
    x = 686,965,687,276.10/909,572.28
  6. Step 6: Final answer
    x = 755,262.34

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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.