Home / 755,220.71-1,132,718.58-249,784.56

Finding the Fourth Proportional to 755,220.71, 1,132,718.58 and 249,784.56

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Solution

The fourth proportional to 755,220.71, 1,132,718.58 and 249,784.56 is: 374,639.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,220.71 : 1,132,718.58 = 249,784.56 : x
  2. Step 2: Convert to fraction form
    755,220.71/1,132,718.58 = 249,784.56/x
  3. Step 3: Cross multiply
    755,220.71x = 1,132,718.58 × 249,784.56
  4. Step 4: Simplify right side
    755,220.71x = 282,935,612,109.13
  5. Step 5: Solve for x
    x = 282,935,612,109.13/755,220.71
  6. Step 6: Final answer
    x = 374,639.64

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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.