Home / 688,055.10-949,484.52-382,151.04

Finding the Fourth Proportional to 688,055.10, 949,484.52 and 382,151.04

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Solution

The fourth proportional to 688,055.10, 949,484.52 and 382,151.04 is: 527,350.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,055.10 : 949,484.52 = 382,151.04 : x
  2. Step 2: Convert to fraction form
    688,055.10/949,484.52 = 382,151.04/x
  3. Step 3: Cross multiply
    688,055.10x = 949,484.52 × 382,151.04
  4. Step 4: Simplify right side
    688,055.10x = 362,846,496,781.90
  5. Step 5: Solve for x
    x = 362,846,496,781.90/688,055.10
  6. Step 6: Final answer
    x = 527,350.93

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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.