Home / 632,864.40-873,319.30-346,329.10

Finding the Fourth Proportional to 632,864.40, 873,319.30 and 346,329.10

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Solution

The fourth proportional to 632,864.40, 873,319.30 and 346,329.10 is: 477,915.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,864.40 : 873,319.30 = 346,329.10 : x
  2. Step 2: Convert to fraction form
    632,864.40/873,319.30 = 346,329.10/x
  3. Step 3: Cross multiply
    632,864.40x = 873,319.30 × 346,329.10
  4. Step 4: Simplify right side
    632,864.40x = 302,455,887,181.63
  5. Step 5: Solve for x
    x = 302,455,887,181.63/632,864.40
  6. Step 6: Final answer
    x = 477,915.79

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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.