Home / 840,624.08-1,159,710.21-550,306.71

Finding the Fourth Proportional to 840,624.08, 1,159,710.21 and 550,306.71

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Solution

The fourth proportional to 840,624.08, 1,159,710.21 and 550,306.71 is: 759,193.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,624.08 : 1,159,710.21 = 550,306.71 : x
  2. Step 2: Convert to fraction form
    840,624.08/1,159,710.21 = 550,306.71/x
  3. Step 3: Cross multiply
    840,624.08x = 1,159,710.21 × 550,306.71
  4. Step 4: Simplify right side
    840,624.08x = 638,196,310,218.51
  5. Step 5: Solve for x
    x = 638,196,310,218.51/840,624.08
  6. Step 6: Final answer
    x = 759,193.47

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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.