Home / 459,027.40-688,541.10-451,154.20

Finding the Fourth Proportional to 459,027.40, 688,541.10 and 451,154.20

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Solution

The fourth proportional to 459,027.40, 688,541.10 and 451,154.20 is: 676,731.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,027.40 : 688,541.10 = 451,154.20 : x
  2. Step 2: Convert to fraction form
    459,027.40/688,541.10 = 451,154.20/x
  3. Step 3: Cross multiply
    459,027.40x = 688,541.10 × 451,154.20
  4. Step 4: Simplify right side
    459,027.40x = 310,638,209,137.62
  5. Step 5: Solve for x
    x = 310,638,209,137.62/459,027.40
  6. Step 6: Final answer
    x = 676,731.30

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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.