Home / 746,430.60-1,119,645.90-185,465.10

Finding the Fourth Proportional to 746,430.60, 1,119,645.90 and 185,465.10

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Solution

The fourth proportional to 746,430.60, 1,119,645.90 and 185,465.10 is: 278,197.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,430.60 : 1,119,645.90 = 185,465.10 : x
  2. Step 2: Convert to fraction form
    746,430.60/1,119,645.90 = 185,465.10/x
  3. Step 3: Cross multiply
    746,430.60x = 1,119,645.90 × 185,465.10
  4. Step 4: Simplify right side
    746,430.60x = 207,655,238,808.09
  5. Step 5: Solve for x
    x = 207,655,238,808.09/746,430.60
  6. Step 6: Final answer
    x = 278,197.65

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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.