Home / 971,223.60-1,455,280.20-615,601.20

Finding the Fourth Proportional to 971,223.60, 1,455,280.20 and 615,601.20

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Solution

The fourth proportional to 971,223.60, 1,455,280.20 and 615,601.20 is: 922,416.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,223.60 : 1,455,280.20 = 615,601.20 : x
  2. Step 2: Convert to fraction form
    971,223.60/1,455,280.20 = 615,601.20/x
  3. Step 3: Cross multiply
    971,223.60x = 1,455,280.20 × 615,601.20
  4. Step 4: Simplify right side
    971,223.60x = 895,872,237,456.24
  5. Step 5: Solve for x
    x = 895,872,237,456.24/971,223.60
  6. Step 6: Final answer
    x = 922,416.05

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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.