Home / 658,512.16-908,746.80-356,706.16

Finding the Fourth Proportional to 658,512.16, 908,746.80 and 356,706.16

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Solution

The fourth proportional to 658,512.16, 908,746.80 and 356,706.16 is: 492,254.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,512.16 : 908,746.80 = 356,706.16 : x
  2. Step 2: Convert to fraction form
    658,512.16/908,746.80 = 356,706.16/x
  3. Step 3: Cross multiply
    658,512.16x = 908,746.80 × 356,706.16
  4. Step 4: Simplify right side
    658,512.16x = 324,155,581,440.29
  5. Step 5: Solve for x
    x = 324,155,581,440.29/658,512.16
  6. Step 6: Final answer
    x = 492,254.51

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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.