Home / 845,248.05-1,267,470.69-490,370.85

Finding the Fourth Proportional to 845,248.05, 1,267,470.69 and 490,370.85

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Solution

The fourth proportional to 845,248.05, 1,267,470.69 and 490,370.85 is: 735,323.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,248.05 : 1,267,470.69 = 490,370.85 : x
  2. Step 2: Convert to fraction form
    845,248.05/1,267,470.69 = 490,370.85/x
  3. Step 3: Cross multiply
    845,248.05x = 1,267,470.69 × 490,370.85
  4. Step 4: Simplify right side
    845,248.05x = 621,530,679,605.39
  5. Step 5: Solve for x
    x = 621,530,679,605.39/845,248.05
  6. Step 6: Final answer
    x = 735,323.41

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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.