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Finding the Fourth Proportional to 483,547.52, 725,444.30 and 284,036.63

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Solution

The fourth proportional to 483,547.52, 725,444.30 and 284,036.63 is: 426,127.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,547.52 : 725,444.30 = 284,036.63 : x
  2. Step 2: Convert to fraction form
    483,547.52/725,444.30 = 284,036.63/x
  3. Step 3: Cross multiply
    483,547.52x = 725,444.30 × 284,036.63
  4. Step 4: Simplify right side
    483,547.52x = 206,052,751,307.58
  5. Step 5: Solve for x
    x = 206,052,751,307.58/483,547.52
  6. Step 6: Final answer
    x = 426,127.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.