Home / 823,565.60-1,235,348.40-571,623.20

Finding the Fourth Proportional to 823,565.60, 1,235,348.40 and 571,623.20

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Solution

The fourth proportional to 823,565.60, 1,235,348.40 and 571,623.20 is: 857,434.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,565.60 : 1,235,348.40 = 571,623.20 : x
  2. Step 2: Convert to fraction form
    823,565.60/1,235,348.40 = 571,623.20/x
  3. Step 3: Cross multiply
    823,565.60x = 1,235,348.40 × 571,623.20
  4. Step 4: Simplify right side
    823,565.60x = 706,153,805,522.88
  5. Step 5: Solve for x
    x = 706,153,805,522.88/823,565.60
  6. Step 6: Final answer
    x = 857,434.80

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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.