Home / 997,430.40-1,496,145.60-366,262.20

Finding the Fourth Proportional to 997,430.40, 1,496,145.60 and 366,262.20

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Solution

The fourth proportional to 997,430.40, 1,496,145.60 and 366,262.20 is: 549,393.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,430.40 : 1,496,145.60 = 366,262.20 : x
  2. Step 2: Convert to fraction form
    997,430.40/1,496,145.60 = 366,262.20/x
  3. Step 3: Cross multiply
    997,430.40x = 1,496,145.60 × 366,262.20
  4. Step 4: Simplify right side
    997,430.40x = 547,981,578,976.32
  5. Step 5: Solve for x
    x = 547,981,578,976.32/997,430.40
  6. Step 6: Final answer
    x = 549,393.30

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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.