Home / 847,246-1,271,394.24-492,427.12

Finding the Fourth Proportional to 847,246, 1,271,394.24 and 492,427.12

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Solution

The fourth proportional to 847,246, 1,271,394.24 and 492,427.12 is: 738,945.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,246 : 1,271,394.24 = 492,427.12 : x
  2. Step 2: Convert to fraction form
    847,246/1,271,394.24 = 492,427.12/x
  3. Step 3: Cross multiply
    847,246x = 1,271,394.24 × 492,427.12
  4. Step 4: Simplify right side
    847,246x = 626,069,003,987.79
  5. Step 5: Solve for x
    x = 626,069,003,987.79/847,246
  6. Step 6: Final answer
    x = 738,945.95

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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.