Home / 535,423.20-803,588.40-220,106.40

Finding the Fourth Proportional to 535,423.20, 803,588.40 and 220,106.40

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Solution

The fourth proportional to 535,423.20, 803,588.40 and 220,106.40 is: 330,346.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,423.20 : 803,588.40 = 220,106.40 : x
  2. Step 2: Convert to fraction form
    535,423.20/803,588.40 = 220,106.40/x
  3. Step 3: Cross multiply
    535,423.20x = 803,588.40 × 220,106.40
  4. Step 4: Simplify right side
    535,423.20x = 176,874,949,805.76
  5. Step 5: Solve for x
    x = 176,874,949,805.76/535,423.20
  6. Step 6: Final answer
    x = 330,346.07

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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.