Home / 516,200.31-712,470.20-286,836.26

Finding the Fourth Proportional to 516,200.31, 712,470.20 and 286,836.26

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Solution

The fourth proportional to 516,200.31, 712,470.20 and 286,836.26 is: 395,897.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,200.31 : 712,470.20 = 286,836.26 : x
  2. Step 2: Convert to fraction form
    516,200.31/712,470.20 = 286,836.26/x
  3. Step 3: Cross multiply
    516,200.31x = 712,470.20 × 286,836.26
  4. Step 4: Simplify right side
    516,200.31x = 204,362,282,532.92
  5. Step 5: Solve for x
    x = 204,362,282,532.92/516,200.31
  6. Step 6: Final answer
    x = 395,897.25

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1.5x scale

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.