Home / 702,245.70-1,051,586.55-386,345.70

Finding the Fourth Proportional to 702,245.70, 1,051,586.55 and 386,345.70

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Solution

The fourth proportional to 702,245.70, 1,051,586.55 and 386,345.70 is: 578,538.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,245.70 : 1,051,586.55 = 386,345.70 : x
  2. Step 2: Convert to fraction form
    702,245.70/1,051,586.55 = 386,345.70/x
  3. Step 3: Cross multiply
    702,245.70x = 1,051,586.55 × 386,345.70
  4. Step 4: Simplify right side
    702,245.70x = 406,275,941,770.34
  5. Step 5: Solve for x
    x = 406,275,941,770.34/702,245.70
  6. Step 6: Final answer
    x = 578,538.17

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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.