Home / 485,461.08-669,933.18-270,598.32

Finding the Fourth Proportional to 485,461.08, 669,933.18 and 270,598.32

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Solution

The fourth proportional to 485,461.08, 669,933.18 and 270,598.32 is: 373,423.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,461.08 : 669,933.18 = 270,598.32 : x
  2. Step 2: Convert to fraction form
    485,461.08/669,933.18 = 270,598.32/x
  3. Step 3: Cross multiply
    485,461.08x = 669,933.18 × 270,598.32
  4. Step 4: Simplify right side
    485,461.08x = 181,282,793,020.26
  5. Step 5: Solve for x
    x = 181,282,793,020.26/485,461.08
  6. Step 6: Final answer
    x = 373,423.95

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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.