Home / 646,317.92-891,898.08-359,823.44

Finding the Fourth Proportional to 646,317.92, 891,898.08 and 359,823.44

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Solution

The fourth proportional to 646,317.92, 891,898.08 and 359,823.44 is: 496,544.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,317.92 : 891,898.08 = 359,823.44 : x
  2. Step 2: Convert to fraction form
    646,317.92/891,898.08 = 359,823.44/x
  3. Step 3: Cross multiply
    646,317.92x = 891,898.08 × 359,823.44
  4. Step 4: Simplify right side
    646,317.92x = 320,925,835,275.00
  5. Step 5: Solve for x
    x = 320,925,835,275.00/646,317.92
  6. Step 6: Final answer
    x = 496,544.85

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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.