Home / 669,920.40-1,003,714.20-433,141.20

Finding the Fourth Proportional to 669,920.40, 1,003,714.20 and 433,141.20

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Solution

The fourth proportional to 669,920.40, 1,003,714.20 and 433,141.20 is: 648,957.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,920.40 : 1,003,714.20 = 433,141.20 : x
  2. Step 2: Convert to fraction form
    669,920.40/1,003,714.20 = 433,141.20/x
  3. Step 3: Cross multiply
    669,920.40x = 1,003,714.20 × 433,141.20
  4. Step 4: Simplify right side
    669,920.40x = 434,749,973,045.04
  5. Step 5: Solve for x
    x = 434,749,973,045.04/669,920.40
  6. Step 6: Final answer
    x = 648,957.66

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Double scale
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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.