Home / 438,250.08-604,643.76-346,076.88

Finding the Fourth Proportional to 438,250.08, 604,643.76 and 346,076.88

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Solution

The fourth proportional to 438,250.08, 604,643.76 and 346,076.88 is: 477,474.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,250.08 : 604,643.76 = 346,076.88 : x
  2. Step 2: Convert to fraction form
    438,250.08/604,643.76 = 346,076.88/x
  3. Step 3: Cross multiply
    438,250.08x = 604,643.76 × 346,076.88
  4. Step 4: Simplify right side
    438,250.08x = 209,253,225,972.27
  5. Step 5: Solve for x
    x = 209,253,225,972.27/438,250.08
  6. Step 6: Final answer
    x = 477,474.47

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1.5x scale

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.