Home / 730,931.61-1,096,553.84-218,636.93

Finding the Fourth Proportional to 730,931.61, 1,096,553.84 and 218,636.93

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Solution

The fourth proportional to 730,931.61, 1,096,553.84 and 218,636.93 is: 328,002.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,931.61 : 1,096,553.84 = 218,636.93 : x
  2. Step 2: Convert to fraction form
    730,931.61/1,096,553.84 = 218,636.93/x
  3. Step 3: Cross multiply
    730,931.61x = 1,096,553.84 × 218,636.93
  4. Step 4: Simplify right side
    730,931.61x = 239,747,168,445.29
  5. Step 5: Solve for x
    x = 239,747,168,445.29/730,931.61
  6. Step 6: Final answer
    x = 328,002.19

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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.