Home / 908,388.10-1,365,534.60-778,480.30

Finding the Fourth Proportional to 908,388.10, 1,365,534.60 and 778,480.30

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Solution

The fourth proportional to 908,388.10, 1,365,534.60 and 778,480.30 is: 1,170,250.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,388.10 : 1,365,534.60 = 778,480.30 : x
  2. Step 2: Convert to fraction form
    908,388.10/1,365,534.60 = 778,480.30/x
  3. Step 3: Cross multiply
    908,388.10x = 1,365,534.60 × 778,480.30
  4. Step 4: Simplify right side
    908,388.10x = 1,063,041,785,068.38
  5. Step 5: Solve for x
    x = 1,063,041,785,068.38/908,388.10
  6. Step 6: Final answer
    x = 1,170,250.67

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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.