Home / 671,627.10-1,007,440.65-459,050.70

Finding the Fourth Proportional to 671,627.10, 1,007,440.65 and 459,050.70

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Solution

The fourth proportional to 671,627.10, 1,007,440.65 and 459,050.70 is: 688,576.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,627.10 : 1,007,440.65 = 459,050.70 : x
  2. Step 2: Convert to fraction form
    671,627.10/1,007,440.65 = 459,050.70/x
  3. Step 3: Cross multiply
    671,627.10x = 1,007,440.65 × 459,050.70
  4. Step 4: Simplify right side
    671,627.10x = 462,466,335,590.96
  5. Step 5: Solve for x
    x = 462,466,335,590.96/671,627.10
  6. Step 6: Final answer
    x = 688,576.05

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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.