Home / 885,374.26-1,221,780.38-522,915.46

Finding the Fourth Proportional to 885,374.26, 1,221,780.38 and 522,915.46

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Solution

The fourth proportional to 885,374.26, 1,221,780.38 and 522,915.46 is: 721,602.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,374.26 : 1,221,780.38 = 522,915.46 : x
  2. Step 2: Convert to fraction form
    885,374.26/1,221,780.38 = 522,915.46/x
  3. Step 3: Cross multiply
    885,374.26x = 1,221,780.38 × 522,915.46
  4. Step 4: Simplify right side
    885,374.26x = 638,887,849,426.68
  5. Step 5: Solve for x
    x = 638,887,849,426.68/885,374.26
  6. Step 6: Final answer
    x = 721,602.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.