Home / 539,042.88-808,739.28-258,582.08

Finding the Fourth Proportional to 539,042.88, 808,739.28 and 258,582.08

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Solution

The fourth proportional to 539,042.88, 808,739.28 and 258,582.08 is: 387,957.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,042.88 : 808,739.28 = 258,582.08 : x
  2. Step 2: Convert to fraction form
    539,042.88/808,739.28 = 258,582.08/x
  3. Step 3: Cross multiply
    539,042.88x = 808,739.28 × 258,582.08
  4. Step 4: Simplify right side
    539,042.88x = 209,125,485,200.10
  5. Step 5: Solve for x
    x = 209,125,485,200.10/539,042.88
  6. Step 6: Final answer
    x = 387,957.05

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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.