Home / 971,401.60-1,455,547.20-615,779.20

Finding the Fourth Proportional to 971,401.60, 1,455,547.20 and 615,779.20

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Solution

The fourth proportional to 971,401.60, 1,455,547.20 and 615,779.20 is: 922,682.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,401.60 : 1,455,547.20 = 615,779.20 : x
  2. Step 2: Convert to fraction form
    971,401.60/1,455,547.20 = 615,779.20/x
  3. Step 3: Cross multiply
    971,401.60x = 1,455,547.20 × 615,779.20
  4. Step 4: Simplify right side
    971,401.60x = 896,295,690,378.24
  5. Step 5: Solve for x
    x = 896,295,690,378.24/971,401.60
  6. Step 6: Final answer
    x = 922,682.95

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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.