Home / 971,402.60-1,455,548.70-615,780.20

Finding the Fourth Proportional to 971,402.60, 1,455,548.70 and 615,780.20

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Solution

The fourth proportional to 971,402.60, 1,455,548.70 and 615,780.20 is: 922,684.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,402.60 : 1,455,548.70 = 615,780.20 : x
  2. Step 2: Convert to fraction form
    971,402.60/1,455,548.70 = 615,780.20/x
  3. Step 3: Cross multiply
    971,402.60x = 1,455,548.70 × 615,780.20
  4. Step 4: Simplify right side
    971,402.60x = 896,298,069,595.74
  5. Step 5: Solve for x
    x = 896,298,069,595.74/971,402.60
  6. Step 6: Final answer
    x = 922,684.45

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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.