Home / 991,973.63-1,487,972.60-282,000.53

Finding the Fourth Proportional to 991,973.63, 1,487,972.60 and 282,000.53

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Solution

The fourth proportional to 991,973.63, 1,487,972.60 and 282,000.53 is: 423,004.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,973.63 : 1,487,972.60 = 282,000.53 : x
  2. Step 2: Convert to fraction form
    991,973.63/1,487,972.60 = 282,000.53/x
  3. Step 3: Cross multiply
    991,973.63x = 1,487,972.60 × 282,000.53
  4. Step 4: Simplify right side
    991,973.63x = 419,609,061,825.48
  5. Step 5: Solve for x
    x = 419,609,061,825.48/991,973.63
  6. Step 6: Final answer
    x = 423,004.25

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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.