Home / 464,904.80-641,875.44-357,279.20

Finding the Fourth Proportional to 464,904.80, 641,875.44 and 357,279.20

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Solution

The fourth proportional to 464,904.80, 641,875.44 and 357,279.20 is: 493,281.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,904.80 : 641,875.44 = 357,279.20 : x
  2. Step 2: Convert to fraction form
    464,904.80/641,875.44 = 357,279.20/x
  3. Step 3: Cross multiply
    464,904.80x = 641,875.44 × 357,279.20
  4. Step 4: Simplify right side
    464,904.80x = 229,328,743,702.85
  5. Step 5: Solve for x
    x = 229,328,743,702.85/464,904.80
  6. Step 6: Final answer
    x = 493,281.08

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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.