Home / 891,004.60-1,336,506.90-651,856.15

Finding the Fourth Proportional to 891,004.60, 1,336,506.90 and 651,856.15

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Solution

The fourth proportional to 891,004.60, 1,336,506.90 and 651,856.15 is: 977,784.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,004.60 : 1,336,506.90 = 651,856.15 : x
  2. Step 2: Convert to fraction form
    891,004.60/1,336,506.90 = 651,856.15/x
  3. Step 3: Cross multiply
    891,004.60x = 1,336,506.90 × 651,856.15
  4. Step 4: Simplify right side
    891,004.60x = 871,210,242,282.44
  5. Step 5: Solve for x
    x = 871,210,242,282.44/891,004.60
  6. Step 6: Final answer
    x = 977,784.23

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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.