Home / 700,007.20-1,049,319.60-344,730.40

Finding the Fourth Proportional to 700,007.20, 1,049,319.60 and 344,730.40

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Solution

The fourth proportional to 700,007.20, 1,049,319.60 and 344,730.40 is: 516,755.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,007.20 : 1,049,319.60 = 344,730.40 : x
  2. Step 2: Convert to fraction form
    700,007.20/1,049,319.60 = 344,730.40/x
  3. Step 3: Cross multiply
    700,007.20x = 1,049,319.60 × 344,730.40
  4. Step 4: Simplify right side
    700,007.20x = 361,732,365,435.84
  5. Step 5: Solve for x
    x = 361,732,365,435.84/700,007.20
  6. Step 6: Final answer
    x = 516,755.21

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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.