Home / 874,851.30-1,312,276.95-697,704.30

Finding the Fourth Proportional to 874,851.30, 1,312,276.95 and 697,704.30

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Solution

The fourth proportional to 874,851.30, 1,312,276.95 and 697,704.30 is: 1,046,556.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,851.30 : 1,312,276.95 = 697,704.30 : x
  2. Step 2: Convert to fraction form
    874,851.30/1,312,276.95 = 697,704.30/x
  3. Step 3: Cross multiply
    874,851.30x = 1,312,276.95 × 697,704.30
  4. Step 4: Simplify right side
    874,851.30x = 915,581,270,805.89
  5. Step 5: Solve for x
    x = 915,581,270,805.89/874,851.30
  6. Step 6: Final answer
    x = 1,046,556.45

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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.