Home / 748,329.39-1,122,503.79-249,693.39

Finding the Fourth Proportional to 748,329.39, 1,122,503.79 and 249,693.39

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Solution

The fourth proportional to 748,329.39, 1,122,503.79 and 249,693.39 is: 374,543.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,329.39 : 1,122,503.79 = 249,693.39 : x
  2. Step 2: Convert to fraction form
    748,329.39/1,122,503.79 = 249,693.39/x
  3. Step 3: Cross multiply
    748,329.39x = 1,122,503.79 × 249,693.39
  4. Step 4: Simplify right side
    748,329.39x = 280,281,776,612.95
  5. Step 5: Solve for x
    x = 280,281,776,612.95/748,329.39
  6. Step 6: Final answer
    x = 374,543.32

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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.