Home / 727,686.61-1,090,323.23-442,514.53

Finding the Fourth Proportional to 727,686.61, 1,090,323.23 and 442,514.53

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Solution

The fourth proportional to 727,686.61, 1,090,323.23 and 442,514.53 is: 663,038.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,686.61 : 1,090,323.23 = 442,514.53 : x
  2. Step 2: Convert to fraction form
    727,686.61/1,090,323.23 = 442,514.53/x
  3. Step 3: Cross multiply
    727,686.61x = 1,090,323.23 × 442,514.53
  4. Step 4: Simplify right side
    727,686.61x = 482,483,874,510.66
  5. Step 5: Solve for x
    x = 482,483,874,510.66/727,686.61
  6. Step 6: Final answer
    x = 663,038.00

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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.