Home / 817,045.20-1,225,567.08-248,430.96

Finding the Fourth Proportional to 817,045.20, 1,225,567.08 and 248,430.96

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Solution

The fourth proportional to 817,045.20, 1,225,567.08 and 248,430.96 is: 372,646.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,045.20 : 1,225,567.08 = 248,430.96 : x
  2. Step 2: Convert to fraction form
    817,045.20/1,225,567.08 = 248,430.96/x
  3. Step 3: Cross multiply
    817,045.20x = 1,225,567.08 × 248,430.96
  4. Step 4: Simplify right side
    817,045.20x = 304,468,806,228.80
  5. Step 5: Solve for x
    x = 304,468,806,228.80/817,045.20
  6. Step 6: Final answer
    x = 372,646.22

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Double scale
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Similar ratio
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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.