Home / 804,870.81-1,207,342.87-569,265.30

Finding the Fourth Proportional to 804,870.81, 1,207,342.87 and 569,265.30

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Solution

The fourth proportional to 804,870.81, 1,207,342.87 and 569,265.30 is: 853,923.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,870.81 : 1,207,342.87 = 569,265.30 : x
  2. Step 2: Convert to fraction form
    804,870.81/1,207,342.87 = 569,265.30/x
  3. Step 3: Cross multiply
    804,870.81x = 1,207,342.87 × 569,265.30
  4. Step 4: Simplify right side
    804,870.81x = 687,298,399,670.25
  5. Step 5: Solve for x
    x = 687,298,399,670.25/804,870.81
  6. Step 6: Final answer
    x = 853,923.87

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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.