Home / 920,869.31-1,270,630.95-512,961.00

Finding the Fourth Proportional to 920,869.31, 1,270,630.95 and 512,961.00

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Solution

The fourth proportional to 920,869.31, 1,270,630.95 and 512,961.00 is: 707,792.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,869.31 : 1,270,630.95 = 512,961.00 : x
  2. Step 2: Convert to fraction form
    920,869.31/1,270,630.95 = 512,961.00/x
  3. Step 3: Cross multiply
    920,869.31x = 1,270,630.95 × 512,961.00
  4. Step 4: Simplify right side
    920,869.31x = 651,784,126,087.19
  5. Step 5: Solve for x
    x = 651,784,126,087.19/920,869.31
  6. Step 6: Final answer
    x = 707,792.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.