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Finding the Fourth Proportional to 453,586.48, 625,973.88 and 252,386.80

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Solution

The fourth proportional to 453,586.48, 625,973.88 and 252,386.80 is: 348,307.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,586.48 : 625,973.88 = 252,386.80 : x
  2. Step 2: Convert to fraction form
    453,586.48/625,973.88 = 252,386.80/x
  3. Step 3: Cross multiply
    453,586.48x = 625,973.88 × 252,386.80
  4. Step 4: Simplify right side
    453,586.48x = 157,987,544,456.78
  5. Step 5: Solve for x
    x = 157,987,544,456.78/453,586.48
  6. Step 6: Final answer
    x = 348,307.44

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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.