Home / 700,446.40-1,050,280.80-279,246.40

Finding the Fourth Proportional to 700,446.40, 1,050,280.80 and 279,246.40

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Solution

The fourth proportional to 700,446.40, 1,050,280.80 and 279,246.40 is: 418,714.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,446.40 : 1,050,280.80 = 279,246.40 : x
  2. Step 2: Convert to fraction form
    700,446.40/1,050,280.80 = 279,246.40/x
  3. Step 3: Cross multiply
    700,446.40x = 1,050,280.80 × 279,246.40
  4. Step 4: Simplify right side
    700,446.40x = 293,287,132,389.12
  5. Step 5: Solve for x
    x = 293,287,132,389.12/700,446.40
  6. Step 6: Final answer
    x = 418,714.60

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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.