Home / 903,036.93-1,245,160.11-721,624.47

Finding the Fourth Proportional to 903,036.93, 1,245,160.11 and 721,624.47

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Solution

The fourth proportional to 903,036.93, 1,245,160.11 and 721,624.47 is: 995,018.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,036.93 : 1,245,160.11 = 721,624.47 : x
  2. Step 2: Convert to fraction form
    903,036.93/1,245,160.11 = 721,624.47/x
  3. Step 3: Cross multiply
    903,036.93x = 1,245,160.11 × 721,624.47
  4. Step 4: Simplify right side
    903,036.93x = 898,538,004,443.89
  5. Step 5: Solve for x
    x = 898,538,004,443.89/903,036.93
  6. Step 6: Final answer
    x = 995,018.00

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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.