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Finding the Fourth Proportional to 650,376.14, 896,922.72 and 558,464.15

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Solution

The fourth proportional to 650,376.14, 896,922.72 and 558,464.15 is: 770,168.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,376.14 : 896,922.72 = 558,464.15 : x
  2. Step 2: Convert to fraction form
    650,376.14/896,922.72 = 558,464.15/x
  3. Step 3: Cross multiply
    650,376.14x = 896,922.72 × 558,464.15
  4. Step 4: Simplify right side
    650,376.14x = 500,899,181,648.17
  5. Step 5: Solve for x
    x = 500,899,181,648.17/650,376.14
  6. Step 6: Final answer
    x = 770,168.45

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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.