Home / 976,385.80-1,464,812.51-407,450.40

Finding the Fourth Proportional to 976,385.80, 1,464,812.51 and 407,450.40

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Solution

The fourth proportional to 976,385.80, 1,464,812.51 and 407,450.40 is: 611,273.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,385.80 : 1,464,812.51 = 407,450.40 : x
  2. Step 2: Convert to fraction form
    976,385.80/1,464,812.51 = 407,450.40/x
  3. Step 3: Cross multiply
    976,385.80x = 1,464,812.51 × 407,450.40
  4. Step 4: Simplify right side
    976,385.80x = 596,838,443,833.78
  5. Step 5: Solve for x
    x = 596,838,443,833.78/976,385.80
  6. Step 6: Final answer
    x = 611,273.17

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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.