Home / 549,267.70-757,923.06-307,531.30

Finding the Fourth Proportional to 549,267.70, 757,923.06 and 307,531.30

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Solution

The fourth proportional to 549,267.70, 757,923.06 and 307,531.30 is: 424,356.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,267.70 : 757,923.06 = 307,531.30 : x
  2. Step 2: Convert to fraction form
    549,267.70/757,923.06 = 307,531.30/x
  3. Step 3: Cross multiply
    549,267.70x = 757,923.06 × 307,531.30
  4. Step 4: Simplify right side
    549,267.70x = 233,085,063,941.78
  5. Step 5: Solve for x
    x = 233,085,063,941.78/549,267.70
  6. Step 6: Final answer
    x = 424,356.04

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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.