Home / 885,284.40-1,326,342.60-538,436.40

Finding the Fourth Proportional to 885,284.40, 1,326,342.60 and 538,436.40

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Solution

The fourth proportional to 885,284.40, 1,326,342.60 and 538,436.40 is: 806,691.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,284.40 : 1,326,342.60 = 538,436.40 : x
  2. Step 2: Convert to fraction form
    885,284.40/1,326,342.60 = 538,436.40/x
  3. Step 3: Cross multiply
    885,284.40x = 1,326,342.60 × 538,436.40
  4. Step 4: Simplify right side
    885,284.40x = 714,151,134,710.64
  5. Step 5: Solve for x
    x = 714,151,134,710.64/885,284.40
  6. Step 6: Final answer
    x = 806,691.20

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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.