Home / 960,433.20-1,440,722.70-286,461.77

Finding the Fourth Proportional to 960,433.20, 1,440,722.70 and 286,461.77

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Solution

The fourth proportional to 960,433.20, 1,440,722.70 and 286,461.77 is: 429,714.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,433.20 : 1,440,722.70 = 286,461.77 : x
  2. Step 2: Convert to fraction form
    960,433.20/1,440,722.70 = 286,461.77/x
  3. Step 3: Cross multiply
    960,433.20x = 1,440,722.70 × 286,461.77
  4. Step 4: Simplify right side
    960,433.20x = 412,711,967,517.57
  5. Step 5: Solve for x
    x = 412,711,967,517.57/960,433.20
  6. Step 6: Final answer
    x = 429,714.39

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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.