Home / 672,470.07-1,008,508.28-553,847.19

Finding the Fourth Proportional to 672,470.07, 1,008,508.28 and 553,847.19

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Solution

The fourth proportional to 672,470.07, 1,008,508.28 and 553,847.19 is: 830,608.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,470.07 : 1,008,508.28 = 553,847.19 : x
  2. Step 2: Convert to fraction form
    672,470.07/1,008,508.28 = 553,847.19/x
  3. Step 3: Cross multiply
    672,470.07x = 1,008,508.28 × 553,847.19
  4. Step 4: Simplify right side
    672,470.07x = 558,559,474,200.50
  5. Step 5: Solve for x
    x = 558,559,474,200.50/672,470.07
  6. Step 6: Final answer
    x = 830,608.68

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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.