Home / 970,280.70-1,455,421.05-550,376.70

Finding the Fourth Proportional to 970,280.70, 1,455,421.05 and 550,376.70

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Solution

The fourth proportional to 970,280.70, 1,455,421.05 and 550,376.70 is: 825,565.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,280.70 : 1,455,421.05 = 550,376.70 : x
  2. Step 2: Convert to fraction form
    970,280.70/1,455,421.05 = 550,376.70/x
  3. Step 3: Cross multiply
    970,280.70x = 1,455,421.05 × 550,376.70
  4. Step 4: Simplify right side
    970,280.70x = 801,029,834,609.54
  5. Step 5: Solve for x
    x = 801,029,834,609.54/970,280.70
  6. Step 6: Final answer
    x = 825,565.05

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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.