Home / 723,973.90-999,229.36-418,100.08

Finding the Fourth Proportional to 723,973.90, 999,229.36 and 418,100.08

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Solution

The fourth proportional to 723,973.90, 999,229.36 and 418,100.08 is: 577,062.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,973.90 : 999,229.36 = 418,100.08 : x
  2. Step 2: Convert to fraction form
    723,973.90/999,229.36 = 418,100.08/x
  3. Step 3: Cross multiply
    723,973.90x = 999,229.36 × 418,100.08
  4. Step 4: Simplify right side
    723,973.90x = 417,777,875,354.35
  5. Step 5: Solve for x
    x = 417,777,875,354.35/723,973.90
  6. Step 6: Final answer
    x = 577,062.07

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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.