Home / 773,423.12-1,160,087.88-459,875.36

Finding the Fourth Proportional to 773,423.12, 1,160,087.88 and 459,875.36

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Solution

The fourth proportional to 773,423.12, 1,160,087.88 and 459,875.36 is: 689,785.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,423.12 : 1,160,087.88 = 459,875.36 : x
  2. Step 2: Convert to fraction form
    773,423.12/1,160,087.88 = 459,875.36/x
  3. Step 3: Cross multiply
    773,423.12x = 1,160,087.88 × 459,875.36
  4. Step 4: Simplify right side
    773,423.12x = 533,495,831,446.64
  5. Step 5: Solve for x
    x = 533,495,831,446.64/773,423.12
  6. Step 6: Final answer
    x = 689,785.21

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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.