Home / 745,152.01-1,028,334.58-418,522.49

Finding the Fourth Proportional to 745,152.01, 1,028,334.58 and 418,522.49

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Solution

The fourth proportional to 745,152.01, 1,028,334.58 and 418,522.49 is: 577,574.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,152.01 : 1,028,334.58 = 418,522.49 : x
  2. Step 2: Convert to fraction form
    745,152.01/1,028,334.58 = 418,522.49/x
  3. Step 3: Cross multiply
    745,152.01x = 1,028,334.58 × 418,522.49
  4. Step 4: Simplify right side
    745,152.01x = 430,381,148,974.70
  5. Step 5: Solve for x
    x = 430,381,148,974.70/745,152.01
  6. Step 6: Final answer
    x = 577,574.97

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.