Home / 884,306.25-1,326,739.74-315,675.15

Finding the Fourth Proportional to 884,306.25, 1,326,739.74 and 315,675.15

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Solution

The fourth proportional to 884,306.25, 1,326,739.74 and 315,675.15 is: 473,612.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,306.25 : 1,326,739.74 = 315,675.15 : x
  2. Step 2: Convert to fraction form
    884,306.25/1,326,739.74 = 315,675.15/x
  3. Step 3: Cross multiply
    884,306.25x = 1,326,739.74 × 315,675.15
  4. Step 4: Simplify right side
    884,306.25x = 418,818,766,435.46
  5. Step 5: Solve for x
    x = 418,818,766,435.46/884,306.25
  6. Step 6: Final answer
    x = 473,612.81

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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.