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Finding the Fourth Proportional to 610,314.59, 915,521.81 and 306,552.56

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Solution

The fourth proportional to 610,314.59, 915,521.81 and 306,552.56 is: 459,853.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,314.59 : 915,521.81 = 306,552.56 : x
  2. Step 2: Convert to fraction form
    610,314.59/915,521.81 = 306,552.56/x
  3. Step 3: Cross multiply
    610,314.59x = 915,521.81 × 306,552.56
  4. Step 4: Simplify right side
    610,314.59x = 280,655,554,213.31
  5. Step 5: Solve for x
    x = 280,655,554,213.31/610,314.59
  6. Step 6: Final answer
    x = 459,853.91

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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.