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Finding the Fourth Proportional to 549,287.65, 757,929.27 and 307,580.41

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Solution

The fourth proportional to 549,287.65, 757,929.27 and 307,580.41 is: 424,411.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,287.65 : 757,929.27 = 307,580.41 : x
  2. Step 2: Convert to fraction form
    549,287.65/757,929.27 = 307,580.41/x
  3. Step 3: Cross multiply
    549,287.65x = 757,929.27 × 307,580.41
  4. Step 4: Simplify right side
    549,287.65x = 233,124,195,617.60
  5. Step 5: Solve for x
    x = 233,124,195,617.60/549,287.65
  6. Step 6: Final answer
    x = 424,411.86

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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.