Home / 842,959.75-1,264,937.85-310,854.45

Finding the Fourth Proportional to 842,959.75, 1,264,937.85 and 310,854.45

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Solution

The fourth proportional to 842,959.75, 1,264,937.85 and 310,854.45 is: 466,465.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,959.75 : 1,264,937.85 = 310,854.45 : x
  2. Step 2: Convert to fraction form
    842,959.75/1,264,937.85 = 310,854.45/x
  3. Step 3: Cross multiply
    842,959.75x = 1,264,937.85 × 310,854.45
  4. Step 4: Simplify right side
    842,959.75x = 393,211,559,645.93
  5. Step 5: Solve for x
    x = 393,211,559,645.93/842,959.75
  6. Step 6: Final answer
    x = 466,465.40

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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.