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Finding the Fourth Proportional to 459,454.53, 688,390.37 and 358,452.03

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Solution

The fourth proportional to 459,454.53, 688,390.37 and 358,452.03 is: 537,060.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,454.53 : 688,390.37 = 358,452.03 : x
  2. Step 2: Convert to fraction form
    459,454.53/688,390.37 = 358,452.03/x
  3. Step 3: Cross multiply
    459,454.53x = 688,390.37 × 358,452.03
  4. Step 4: Simplify right side
    459,454.53x = 246,754,928,700.50
  5. Step 5: Solve for x
    x = 246,754,928,700.50/459,454.53
  6. Step 6: Final answer
    x = 537,060.61

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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.