Home / 709,828.83-1,063,045.83-409,398.58

Finding the Fourth Proportional to 709,828.83, 1,063,045.83 and 409,398.58

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Solution

The fourth proportional to 709,828.83, 1,063,045.83 and 409,398.58 is: 613,118.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,828.83 : 1,063,045.83 = 409,398.58 : x
  2. Step 2: Convert to fraction form
    709,828.83/1,063,045.83 = 409,398.58/x
  3. Step 3: Cross multiply
    709,828.83x = 1,063,045.83 × 409,398.58
  4. Step 4: Simplify right side
    709,828.83x = 435,209,453,276.92
  5. Step 5: Solve for x
    x = 435,209,453,276.92/709,828.83
  6. Step 6: Final answer
    x = 613,118.87

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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.