Home / 688,541.70-1,032,812.55-475,965.30

Finding the Fourth Proportional to 688,541.70, 1,032,812.55 and 475,965.30

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Solution

The fourth proportional to 688,541.70, 1,032,812.55 and 475,965.30 is: 713,947.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,541.70 : 1,032,812.55 = 475,965.30 : x
  2. Step 2: Convert to fraction form
    688,541.70/1,032,812.55 = 475,965.30/x
  3. Step 3: Cross multiply
    688,541.70x = 1,032,812.55 × 475,965.30
  4. Step 4: Simplify right side
    688,541.70x = 491,582,935,204.52
  5. Step 5: Solve for x
    x = 491,582,935,204.52/688,541.70
  6. Step 6: Final answer
    x = 713,947.95

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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.