Home / 875,316.98-1,207,971.23-493,335.56

Finding the Fourth Proportional to 875,316.98, 1,207,971.23 and 493,335.56

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Solution

The fourth proportional to 875,316.98, 1,207,971.23 and 493,335.56 is: 680,822.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,316.98 : 1,207,971.23 = 493,335.56 : x
  2. Step 2: Convert to fraction form
    875,316.98/1,207,971.23 = 493,335.56/x
  3. Step 3: Cross multiply
    875,316.98x = 1,207,971.23 × 493,335.56
  4. Step 4: Simplify right side
    875,316.98x = 595,935,163,769.19
  5. Step 5: Solve for x
    x = 595,935,163,769.19/875,316.98
  6. Step 6: Final answer
    x = 680,822.12

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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.