Home / 885,956.30-1,330,246.65-686,501.90

Finding the Fourth Proportional to 885,956.30, 1,330,246.65 and 686,501.90

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Solution

The fourth proportional to 885,956.30, 1,330,246.65 and 686,501.90 is: 1,030,769.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,956.30 : 1,330,246.65 = 686,501.90 : x
  2. Step 2: Convert to fraction form
    885,956.30/1,330,246.65 = 686,501.90/x
  3. Step 3: Cross multiply
    885,956.30x = 1,330,246.65 × 686,501.90
  4. Step 4: Simplify right side
    885,956.30x = 913,216,852,693.64
  5. Step 5: Solve for x
    x = 913,216,852,693.64/885,956.30
  6. Step 6: Final answer
    x = 1,030,769.64

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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.