Home / 875,302.10-1,313,471.55-638,047.70

Finding the Fourth Proportional to 875,302.10, 1,313,471.55 and 638,047.70

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Solution

The fourth proportional to 875,302.10, 1,313,471.55 and 638,047.70 is: 957,449.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,302.10 : 1,313,471.55 = 638,047.70 : x
  2. Step 2: Convert to fraction form
    875,302.10/1,313,471.55 = 638,047.70/x
  3. Step 3: Cross multiply
    875,302.10x = 1,313,471.55 × 638,047.70
  4. Step 4: Simplify right side
    875,302.10x = 838,057,501,492.94
  5. Step 5: Solve for x
    x = 838,057,501,492.94/875,302.10
  6. Step 6: Final answer
    x = 957,449.44

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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.