Home / 488,648.04-732,943.98-290,228.76

Finding the Fourth Proportional to 488,648.04, 732,943.98 and 290,228.76

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Solution

The fourth proportional to 488,648.04, 732,943.98 and 290,228.76 is: 435,326.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,648.04 : 732,943.98 = 290,228.76 : x
  2. Step 2: Convert to fraction form
    488,648.04/732,943.98 = 290,228.76/x
  3. Step 3: Cross multiply
    488,648.04x = 732,943.98 × 290,228.76
  4. Step 4: Simplify right side
    488,648.04x = 212,721,422,464.87
  5. Step 5: Solve for x
    x = 212,721,422,464.87/488,648.04
  6. Step 6: Final answer
    x = 435,326.46

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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.