Home / 749,304.80-1,123,568.40-275,746.40

Finding the Fourth Proportional to 749,304.80, 1,123,568.40 and 275,746.40

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Solution

The fourth proportional to 749,304.80, 1,123,568.40 and 275,746.40 is: 413,476.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,304.80 : 1,123,568.40 = 275,746.40 : x
  2. Step 2: Convert to fraction form
    749,304.80/1,123,568.40 = 275,746.40/x
  3. Step 3: Cross multiply
    749,304.80x = 1,123,568.40 × 275,746.40
  4. Step 4: Simplify right side
    749,304.80x = 309,819,941,453.76
  5. Step 5: Solve for x
    x = 309,819,941,453.76/749,304.80
  6. Step 6: Final answer
    x = 413,476.52

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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.