Home / 700,432.65-1,048,964.99-400,002.57

Finding the Fourth Proportional to 700,432.65, 1,048,964.99 and 400,002.57

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Solution

The fourth proportional to 700,432.65, 1,048,964.99 and 400,002.57 is: 599,042.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,432.65 : 1,048,964.99 = 400,002.57 : x
  2. Step 2: Convert to fraction form
    700,432.65/1,048,964.99 = 400,002.57/x
  3. Step 3: Cross multiply
    700,432.65x = 1,048,964.99 × 400,002.57
  4. Step 4: Simplify right side
    700,432.65x = 419,588,689,840.01
  5. Step 5: Solve for x
    x = 419,588,689,840.01/700,432.65
  6. Step 6: Final answer
    x = 599,042.16

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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.