Home / 830,938.40-1,244,564.40-332,045.60

Finding the Fourth Proportional to 830,938.40, 1,244,564.40 and 332,045.60

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Solution

The fourth proportional to 830,938.40, 1,244,564.40 and 332,045.60 is: 497,331.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,938.40 : 1,244,564.40 = 332,045.60 : x
  2. Step 2: Convert to fraction form
    830,938.40/1,244,564.40 = 332,045.60/x
  3. Step 3: Cross multiply
    830,938.40x = 1,244,564.40 × 332,045.60
  4. Step 4: Simplify right side
    830,938.40x = 413,252,132,936.64
  5. Step 5: Solve for x
    x = 413,252,132,936.64/830,938.40
  6. Step 6: Final answer
    x = 497,331.85

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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.