Home / 887,549.40-1,330,996.05-288,530.10

Finding the Fourth Proportional to 887,549.40, 1,330,996.05 and 288,530.10

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Solution

The fourth proportional to 887,549.40, 1,330,996.05 and 288,530.10 is: 432,688.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,549.40 : 1,330,996.05 = 288,530.10 : x
  2. Step 2: Convert to fraction form
    887,549.40/1,330,996.05 = 288,530.10/x
  3. Step 3: Cross multiply
    887,549.40x = 1,330,996.05 × 288,530.10
  4. Step 4: Simplify right side
    887,549.40x = 384,032,423,406.11
  5. Step 5: Solve for x
    x = 384,032,423,406.11/887,549.40
  6. Step 6: Final answer
    x = 432,688.51

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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.