Home / 418,298.18-577,335.30-248,499.50

Finding the Fourth Proportional to 418,298.18, 577,335.30 and 248,499.50

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Solution

The fourth proportional to 418,298.18, 577,335.30 and 248,499.50 is: 342,979.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,298.18 : 577,335.30 = 248,499.50 : x
  2. Step 2: Convert to fraction form
    418,298.18/577,335.30 = 248,499.50/x
  3. Step 3: Cross multiply
    418,298.18x = 577,335.30 × 248,499.50
  4. Step 4: Simplify right side
    418,298.18x = 143,467,533,382.35
  5. Step 5: Solve for x
    x = 143,467,533,382.35/418,298.18
  6. Step 6: Final answer
    x = 342,979.10

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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.