Home / 674,420.10-1,011,630.15-619,307.70

Finding the Fourth Proportional to 674,420.10, 1,011,630.15 and 619,307.70

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Solution

The fourth proportional to 674,420.10, 1,011,630.15 and 619,307.70 is: 928,961.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,420.10 : 1,011,630.15 = 619,307.70 : x
  2. Step 2: Convert to fraction form
    674,420.10/1,011,630.15 = 619,307.70/x
  3. Step 3: Cross multiply
    674,420.10x = 1,011,630.15 × 619,307.70
  4. Step 4: Simplify right side
    674,420.10x = 626,510,341,447.16
  5. Step 5: Solve for x
    x = 626,510,341,447.16/674,420.10
  6. Step 6: Final answer
    x = 928,961.55

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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.