Home / 810,522.40-1,215,783.60-653,058.40

Finding the Fourth Proportional to 810,522.40, 1,215,783.60 and 653,058.40

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Solution

The fourth proportional to 810,522.40, 1,215,783.60 and 653,058.40 is: 979,587.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,522.40 : 1,215,783.60 = 653,058.40 : x
  2. Step 2: Convert to fraction form
    810,522.40/1,215,783.60 = 653,058.40/x
  3. Step 3: Cross multiply
    810,522.40x = 1,215,783.60 × 653,058.40
  4. Step 4: Simplify right side
    810,522.40x = 793,977,692,562.24
  5. Step 5: Solve for x
    x = 793,977,692,562.24/810,522.40
  6. Step 6: Final answer
    x = 979,587.60

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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.