Home / 778,857.90-1,168,286.85-731,618.70

Finding the Fourth Proportional to 778,857.90, 1,168,286.85 and 731,618.70

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Solution

The fourth proportional to 778,857.90, 1,168,286.85 and 731,618.70 is: 1,097,428.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,857.90 : 1,168,286.85 = 731,618.70 : x
  2. Step 2: Convert to fraction form
    778,857.90/1,168,286.85 = 731,618.70/x
  3. Step 3: Cross multiply
    778,857.90x = 1,168,286.85 × 731,618.70
  4. Step 4: Simplify right side
    778,857.90x = 854,740,506,424.10
  5. Step 5: Solve for x
    x = 854,740,506,424.10/778,857.90
  6. Step 6: Final answer
    x = 1,097,428.05

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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.