Home / 690,871.70-1,036,307.55-241,443.20

Finding the Fourth Proportional to 690,871.70, 1,036,307.55 and 241,443.20

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Solution

The fourth proportional to 690,871.70, 1,036,307.55 and 241,443.20 is: 362,164.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,871.70 : 1,036,307.55 = 241,443.20 : x
  2. Step 2: Convert to fraction form
    690,871.70/1,036,307.55 = 241,443.20/x
  3. Step 3: Cross multiply
    690,871.70x = 1,036,307.55 × 241,443.20
  4. Step 4: Simplify right side
    690,871.70x = 250,209,411,056.16
  5. Step 5: Solve for x
    x = 250,209,411,056.16/690,871.70
  6. Step 6: Final answer
    x = 362,164.80

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Double scale
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Similar ratio
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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.