Home / 779,222.40-1,167,994.08-380,132.16

Finding the Fourth Proportional to 779,222.40, 1,167,994.08 and 380,132.16

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Solution

The fourth proportional to 779,222.40, 1,167,994.08 and 380,132.16 is: 569,788.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,222.40 : 1,167,994.08 = 380,132.16 : x
  2. Step 2: Convert to fraction form
    779,222.40/1,167,994.08 = 380,132.16/x
  3. Step 3: Cross multiply
    779,222.40x = 1,167,994.08 × 380,132.16
  4. Step 4: Simplify right side
    779,222.40x = 443,992,112,497.61
  5. Step 5: Solve for x
    x = 443,992,112,497.61/779,222.40
  6. Step 6: Final answer
    x = 569,788.69

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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.