Home / 931,828.59-1,282,750.02-689,654.79

Finding the Fourth Proportional to 931,828.59, 1,282,750.02 and 689,654.79

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Solution

The fourth proportional to 931,828.59, 1,282,750.02 and 689,654.79 is: 949,374.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,828.59 : 1,282,750.02 = 689,654.79 : x
  2. Step 2: Convert to fraction form
    931,828.59/1,282,750.02 = 689,654.79/x
  3. Step 3: Cross multiply
    931,828.59x = 1,282,750.02 × 689,654.79
  4. Step 4: Simplify right side
    931,828.59x = 884,654,695,665.60
  5. Step 5: Solve for x
    x = 884,654,695,665.60/931,828.59
  6. Step 6: Final answer
    x = 949,374.92

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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.