Home / 550,986.04-760,302.24-309,295.18

Finding the Fourth Proportional to 550,986.04, 760,302.24 and 309,295.18

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Solution

The fourth proportional to 550,986.04, 760,302.24 and 309,295.18 is: 426,794.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,986.04 : 760,302.24 = 309,295.18 : x
  2. Step 2: Convert to fraction form
    550,986.04/760,302.24 = 309,295.18/x
  3. Step 3: Cross multiply
    550,986.04x = 760,302.24 × 309,295.18
  4. Step 4: Simplify right side
    550,986.04x = 235,157,818,175.20
  5. Step 5: Solve for x
    x = 235,157,818,175.20/550,986.04
  6. Step 6: Final answer
    x = 426,794.51

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1.5x scale

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.