Home / 845,869.03-1,269,433.82-340,433.89

Finding the Fourth Proportional to 845,869.03, 1,269,433.82 and 340,433.89

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Solution

The fourth proportional to 845,869.03, 1,269,433.82 and 340,433.89 is: 510,904.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,869.03 : 1,269,433.82 = 340,433.89 : x
  2. Step 2: Convert to fraction form
    845,869.03/1,269,433.82 = 340,433.89/x
  3. Step 3: Cross multiply
    845,869.03x = 1,269,433.82 × 340,433.89
  4. Step 4: Simplify right side
    845,869.03x = 432,158,291,117.66
  5. Step 5: Solve for x
    x = 432,158,291,117.66/845,869.03
  6. Step 6: Final answer
    x = 510,904.50

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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.