Home / 887,005.40-1,330,508.10-354,908.30

Finding the Fourth Proportional to 887,005.40, 1,330,508.10 and 354,908.30

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Solution

The fourth proportional to 887,005.40, 1,330,508.10 and 354,908.30 is: 532,362.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,005.40 : 1,330,508.10 = 354,908.30 : x
  2. Step 2: Convert to fraction form
    887,005.40/1,330,508.10 = 354,908.30/x
  3. Step 3: Cross multiply
    887,005.40x = 1,330,508.10 × 354,908.30
  4. Step 4: Simplify right side
    887,005.40x = 472,208,367,907.23
  5. Step 5: Solve for x
    x = 472,208,367,907.23/887,005.40
  6. Step 6: Final answer
    x = 532,362.45

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Similar ratio
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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.