Home / 778,000.40-1,167,000.60-773,085.20

Finding the Fourth Proportional to 778,000.40, 1,167,000.60 and 773,085.20

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Solution

The fourth proportional to 778,000.40, 1,167,000.60 and 773,085.20 is: 1,159,627.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,000.40 : 1,167,000.60 = 773,085.20 : x
  2. Step 2: Convert to fraction form
    778,000.40/1,167,000.60 = 773,085.20/x
  3. Step 3: Cross multiply
    778,000.40x = 1,167,000.60 × 773,085.20
  4. Step 4: Simplify right side
    778,000.40x = 902,190,892,251.12
  5. Step 5: Solve for x
    x = 902,190,892,251.12/778,000.40
  6. Step 6: Final answer
    x = 1,159,627.80

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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.