Home / 897,317.80-1,345,976.70-365,220.70

Finding the Fourth Proportional to 897,317.80, 1,345,976.70 and 365,220.70

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Solution

The fourth proportional to 897,317.80, 1,345,976.70 and 365,220.70 is: 547,831.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,317.80 : 1,345,976.70 = 365,220.70 : x
  2. Step 2: Convert to fraction form
    897,317.80/1,345,976.70 = 365,220.70/x
  3. Step 3: Cross multiply
    897,317.80x = 1,345,976.70 × 365,220.70
  4. Step 4: Simplify right side
    897,317.80x = 491,578,552,557.69
  5. Step 5: Solve for x
    x = 491,578,552,557.69/897,317.80
  6. Step 6: Final answer
    x = 547,831.05

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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.