Home / 908,424.10-1,365,588.60-778,516.30

Finding the Fourth Proportional to 908,424.10, 1,365,588.60 and 778,516.30

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Solution

The fourth proportional to 908,424.10, 1,365,588.60 and 778,516.30 is: 1,170,304.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,424.10 : 1,365,588.60 = 778,516.30 : x
  2. Step 2: Convert to fraction form
    908,424.10/1,365,588.60 = 778,516.30/x
  3. Step 3: Cross multiply
    908,424.10x = 1,365,588.60 × 778,516.30
  4. Step 4: Simplify right side
    908,424.10x = 1,063,132,984,194.18
  5. Step 5: Solve for x
    x = 1,063,132,984,194.18/908,424.10
  6. Step 6: Final answer
    x = 1,170,304.69

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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.