Home / 922,473.72-1,273,011.66-520,062.84

Finding the Fourth Proportional to 922,473.72, 1,273,011.66 and 520,062.84

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Solution

The fourth proportional to 922,473.72, 1,273,011.66 and 520,062.84 is: 717,685.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,473.72 : 1,273,011.66 = 520,062.84 : x
  2. Step 2: Convert to fraction form
    922,473.72/1,273,011.66 = 520,062.84/x
  3. Step 3: Cross multiply
    922,473.72x = 1,273,011.66 × 520,062.84
  4. Step 4: Simplify right side
    922,473.72x = 662,046,059,252.71
  5. Step 5: Solve for x
    x = 662,046,059,252.71/922,473.72
  6. Step 6: Final answer
    x = 717,685.55

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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.