Home / 736,864.40-1,105,296.60-263,565.20

Finding the Fourth Proportional to 736,864.40, 1,105,296.60 and 263,565.20

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Solution

The fourth proportional to 736,864.40, 1,105,296.60 and 263,565.20 is: 395,347.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,864.40 : 1,105,296.60 = 263,565.20 : x
  2. Step 2: Convert to fraction form
    736,864.40/1,105,296.60 = 263,565.20/x
  3. Step 3: Cross multiply
    736,864.40x = 1,105,296.60 × 263,565.20
  4. Step 4: Simplify right side
    736,864.40x = 291,317,719,438.32
  5. Step 5: Solve for x
    x = 291,317,719,438.32/736,864.40
  6. Step 6: Final answer
    x = 395,347.80

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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.