Home / 822,549.93-1,232,983.71-316,912.91

Finding the Fourth Proportional to 822,549.93, 1,232,983.71 and 316,912.91

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Solution

The fourth proportional to 822,549.93, 1,232,983.71 and 316,912.91 is: 475,045.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,549.93 : 1,232,983.71 = 316,912.91 : x
  2. Step 2: Convert to fraction form
    822,549.93/1,232,983.71 = 316,912.91/x
  3. Step 3: Cross multiply
    822,549.93x = 1,232,983.71 × 316,912.91
  4. Step 4: Simplify right side
    822,549.93x = 390,748,449,353.78
  5. Step 5: Solve for x
    x = 390,748,449,353.78/822,549.93
  6. Step 6: Final answer
    x = 475,045.26

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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.