Home / 996,687.90-1,494,979.61-286,688.07

Finding the Fourth Proportional to 996,687.90, 1,494,979.61 and 286,688.07

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Solution

The fourth proportional to 996,687.90, 1,494,979.61 and 286,688.07 is: 430,017.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,687.90 : 1,494,979.61 = 286,688.07 : x
  2. Step 2: Convert to fraction form
    996,687.90/1,494,979.61 = 286,688.07/x
  3. Step 3: Cross multiply
    996,687.90x = 1,494,979.61 × 286,688.07
  4. Step 4: Simplify right side
    996,687.90x = 428,592,817,646.81
  5. Step 5: Solve for x
    x = 428,592,817,646.81/996,687.90
  6. Step 6: Final answer
    x = 430,017.08

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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.