Home / 779,200.47-1,168,834.05-305,988.21

Finding the Fourth Proportional to 779,200.47, 1,168,834.05 and 305,988.21

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Solution

The fourth proportional to 779,200.47, 1,168,834.05 and 305,988.21 is: 458,995.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,200.47 : 1,168,834.05 = 305,988.21 : x
  2. Step 2: Convert to fraction form
    779,200.47/1,168,834.05 = 305,988.21/x
  3. Step 3: Cross multiply
    779,200.47x = 1,168,834.05 × 305,988.21
  4. Step 4: Simplify right side
    779,200.47x = 357,649,438,746.55
  5. Step 5: Solve for x
    x = 357,649,438,746.55/779,200.47
  6. Step 6: Final answer
    x = 458,995.41

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Double scale
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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.