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Finding the Fourth Proportional to 897,316.60, 1,344,006.60 and 779,218.60

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Solution

The fourth proportional to 897,316.60, 1,344,006.60 and 779,218.60 is: 1,167,118.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,316.60 : 1,344,006.60 = 779,218.60 : x
  2. Step 2: Convert to fraction form
    897,316.60/1,344,006.60 = 779,218.60/x
  3. Step 3: Cross multiply
    897,316.60x = 1,344,006.60 × 779,218.60
  4. Step 4: Simplify right side
    897,316.60x = 1,047,274,941,242.76
  5. Step 5: Solve for x
    x = 1,047,274,941,242.76/897,316.60
  6. Step 6: Final answer
    x = 1,167,118.65

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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.