Home / 882,000.30-1,323,000.45-349,344.30

Finding the Fourth Proportional to 882,000.30, 1,323,000.45 and 349,344.30

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Solution

The fourth proportional to 882,000.30, 1,323,000.45 and 349,344.30 is: 524,016.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,000.30 : 1,323,000.45 = 349,344.30 : x
  2. Step 2: Convert to fraction form
    882,000.30/1,323,000.45 = 349,344.30/x
  3. Step 3: Cross multiply
    882,000.30x = 1,323,000.45 × 349,344.30
  4. Step 4: Simplify right side
    882,000.30x = 462,182,666,104.94
  5. Step 5: Solve for x
    x = 462,182,666,104.94/882,000.30
  6. Step 6: Final answer
    x = 524,016.45

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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.