Home / 803,631.92-1,205,448.04-626,271.60

Finding the Fourth Proportional to 803,631.92, 1,205,448.04 and 626,271.60

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Solution

The fourth proportional to 803,631.92, 1,205,448.04 and 626,271.60 is: 939,407.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,631.92 : 1,205,448.04 = 626,271.60 : x
  2. Step 2: Convert to fraction form
    803,631.92/1,205,448.04 = 626,271.60/x
  3. Step 3: Cross multiply
    803,631.92x = 1,205,448.04 × 626,271.60
  4. Step 4: Simplify right side
    803,631.92x = 754,937,872,727.66
  5. Step 5: Solve for x
    x = 754,937,872,727.66/803,631.92
  6. Step 6: Final answer
    x = 939,407.52

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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.