Home / 516,009.02-712,068.38-286,581.18

Finding the Fourth Proportional to 516,009.02, 712,068.38 and 286,581.18

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Solution

The fourth proportional to 516,009.02, 712,068.38 and 286,581.18 is: 395,468.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,009.02 : 712,068.38 = 286,581.18 : x
  2. Step 2: Convert to fraction form
    516,009.02/712,068.38 = 286,581.18/x
  3. Step 3: Cross multiply
    516,009.02x = 712,068.38 × 286,581.18
  4. Step 4: Simplify right side
    516,009.02x = 204,065,396,581.09
  5. Step 5: Solve for x
    x = 204,065,396,581.09/516,009.02
  6. Step 6: Final answer
    x = 395,468.66

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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.