Home / 831,789.06-1,147,815.45-474,070.02

Finding the Fourth Proportional to 831,789.06, 1,147,815.45 and 474,070.02

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Solution

The fourth proportional to 831,789.06, 1,147,815.45 and 474,070.02 is: 654,186.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,789.06 : 1,147,815.45 = 474,070.02 : x
  2. Step 2: Convert to fraction form
    831,789.06/1,147,815.45 = 474,070.02/x
  3. Step 3: Cross multiply
    831,789.06x = 1,147,815.45 × 474,070.02
  4. Step 4: Simplify right side
    831,789.06x = 544,144,893,337.81
  5. Step 5: Solve for x
    x = 544,144,893,337.81/831,789.06
  6. Step 6: Final answer
    x = 654,186.16

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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.