Home / 890,020.04-1,335,030.32-216,102.20

Finding the Fourth Proportional to 890,020.04, 1,335,030.32 and 216,102.20

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Solution

The fourth proportional to 890,020.04, 1,335,030.32 and 216,102.20 is: 324,153.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,020.04 : 1,335,030.32 = 216,102.20 : x
  2. Step 2: Convert to fraction form
    890,020.04/1,335,030.32 = 216,102.20/x
  3. Step 3: Cross multiply
    890,020.04x = 1,335,030.32 × 216,102.20
  4. Step 4: Simplify right side
    890,020.04x = 288,502,989,218.70
  5. Step 5: Solve for x
    x = 288,502,989,218.70/890,020.04
  6. Step 6: Final answer
    x = 324,153.36

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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.