Home / 755,315.13-1,133,143.39-249,874.92

Finding the Fourth Proportional to 755,315.13, 1,133,143.39 and 249,874.92

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Solution

The fourth proportional to 755,315.13, 1,133,143.39 and 249,874.92 is: 374,868.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,315.13 : 1,133,143.39 = 249,874.92 : x
  2. Step 2: Convert to fraction form
    755,315.13/1,133,143.39 = 249,874.92/x
  3. Step 3: Cross multiply
    755,315.13x = 1,133,143.39 × 249,874.92
  4. Step 4: Simplify right side
    755,315.13x = 283,144,109,591.49
  5. Step 5: Solve for x
    x = 283,144,109,591.49/755,315.13
  6. Step 6: Final answer
    x = 374,868.84

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Double scale
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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.