Home / 631,946.13-948,158.60-379,402.98

Finding the Fourth Proportional to 631,946.13, 948,158.60 and 379,402.98

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Solution

The fourth proportional to 631,946.13, 948,158.60 and 379,402.98 is: 569,248.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,946.13 : 948,158.60 = 379,402.98 : x
  2. Step 2: Convert to fraction form
    631,946.13/948,158.60 = 379,402.98/x
  3. Step 3: Cross multiply
    631,946.13x = 948,158.60 × 379,402.98
  4. Step 4: Simplify right side
    631,946.13x = 359,734,196,455.61
  5. Step 5: Solve for x
    x = 359,734,196,455.61/631,946.13
  6. Step 6: Final answer
    x = 569,248.20

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1.5x scale

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.