Home / 780,063.40-1,170,095.10-247,626.10

Finding the Fourth Proportional to 780,063.40, 1,170,095.10 and 247,626.10

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Solution

The fourth proportional to 780,063.40, 1,170,095.10 and 247,626.10 is: 371,439.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,063.40 : 1,170,095.10 = 247,626.10 : x
  2. Step 2: Convert to fraction form
    780,063.40/1,170,095.10 = 247,626.10/x
  3. Step 3: Cross multiply
    780,063.40x = 1,170,095.10 × 247,626.10
  4. Step 4: Simplify right side
    780,063.40x = 289,746,086,242.11
  5. Step 5: Solve for x
    x = 289,746,086,242.11/780,063.40
  6. Step 6: Final answer
    x = 371,439.15

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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.