Home / 708,249.45-977,353.38-402,325.14

Finding the Fourth Proportional to 708,249.45, 977,353.38 and 402,325.14

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Solution

The fourth proportional to 708,249.45, 977,353.38 and 402,325.14 is: 555,191.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,249.45 : 977,353.38 = 402,325.14 : x
  2. Step 2: Convert to fraction form
    708,249.45/977,353.38 = 402,325.14/x
  3. Step 3: Cross multiply
    708,249.45x = 977,353.38 × 402,325.14
  4. Step 4: Simplify right side
    708,249.45x = 393,213,835,437.97
  5. Step 5: Solve for x
    x = 393,213,835,437.97/708,249.45
  6. Step 6: Final answer
    x = 555,191.16

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Double scale
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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.