Home / 887,864.01-1,331,808.31-288,828.30

Finding the Fourth Proportional to 887,864.01, 1,331,808.31 and 288,828.30

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Solution

The fourth proportional to 887,864.01, 1,331,808.31 and 288,828.30 is: 433,246.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,864.01 : 1,331,808.31 = 288,828.30 : x
  2. Step 2: Convert to fraction form
    887,864.01/1,331,808.31 = 288,828.30/x
  3. Step 3: Cross multiply
    887,864.01x = 1,331,808.31 × 288,828.30
  4. Step 4: Simplify right side
    887,864.01x = 384,663,928,659.03
  5. Step 5: Solve for x
    x = 384,663,928,659.03/887,864.01
  6. Step 6: Final answer
    x = 433,246.45

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1.5x scale

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.