Home / 665,190.02-997,790.50-286,084.51

Finding the Fourth Proportional to 665,190.02, 997,790.50 and 286,084.51

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Solution

The fourth proportional to 665,190.02, 997,790.50 and 286,084.51 is: 429,129.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,190.02 : 997,790.50 = 286,084.51 : x
  2. Step 2: Convert to fraction form
    665,190.02/997,790.50 = 286,084.51/x
  3. Step 3: Cross multiply
    665,190.02x = 997,790.50 × 286,084.51
  4. Step 4: Simplify right side
    665,190.02x = 285,452,404,138.28
  5. Step 5: Solve for x
    x = 285,452,404,138.28/665,190.02
  6. Step 6: Final answer
    x = 429,129.11

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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.