Home / 688,246.08-949,931.40-382,427.54

Finding the Fourth Proportional to 688,246.08, 949,931.40 and 382,427.54

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Solution

The fourth proportional to 688,246.08, 949,931.40 and 382,427.54 is: 527,834.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,246.08 : 949,931.40 = 382,427.54 : x
  2. Step 2: Convert to fraction form
    688,246.08/949,931.40 = 382,427.54/x
  3. Step 3: Cross multiply
    688,246.08x = 949,931.40 × 382,427.54
  4. Step 4: Simplify right side
    688,246.08x = 363,279,928,470.76
  5. Step 5: Solve for x
    x = 363,279,928,470.76/688,246.08
  6. Step 6: Final answer
    x = 527,834.36

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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.