Home / 925,602.60-1,389,688.74-476,644.20

Finding the Fourth Proportional to 925,602.60, 1,389,688.74 and 476,644.20

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Solution

The fourth proportional to 925,602.60, 1,389,688.74 and 476,644.20 is: 715,627.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,602.60 : 1,389,688.74 = 476,644.20 : x
  2. Step 2: Convert to fraction form
    925,602.60/1,389,688.74 = 476,644.20/x
  3. Step 3: Cross multiply
    925,602.60x = 1,389,688.74 × 476,644.20
  4. Step 4: Simplify right side
    925,602.60x = 662,387,077,726.31
  5. Step 5: Solve for x
    x = 662,387,077,726.31/925,602.60
  6. Step 6: Final answer
    x = 715,627.94

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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.