Home / 708,643.40-1,063,110.90-235,668.20

Finding the Fourth Proportional to 708,643.40, 1,063,110.90 and 235,668.20

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Solution

The fourth proportional to 708,643.40, 1,063,110.90 and 235,668.20 is: 353,550.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,643.40 : 1,063,110.90 = 235,668.20 : x
  2. Step 2: Convert to fraction form
    708,643.40/1,063,110.90 = 235,668.20/x
  3. Step 3: Cross multiply
    708,643.40x = 1,063,110.90 × 235,668.20
  4. Step 4: Simplify right side
    708,643.40x = 250,541,432,203.38
  5. Step 5: Solve for x
    x = 250,541,432,203.38/708,643.40
  6. Step 6: Final answer
    x = 353,550.79

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1.5x scale

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.