Home / 551,075.30-826,621.71-209,523.93

Finding the Fourth Proportional to 551,075.30, 826,621.71 and 209,523.93

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Solution

The fourth proportional to 551,075.30, 826,621.71 and 209,523.93 is: 314,289.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,075.30 : 826,621.71 = 209,523.93 : x
  2. Step 2: Convert to fraction form
    551,075.30/826,621.71 = 209,523.93/x
  3. Step 3: Cross multiply
    551,075.30x = 826,621.71 × 209,523.93
  4. Step 4: Simplify right side
    551,075.30x = 173,197,029,302.52
  5. Step 5: Solve for x
    x = 173,197,029,302.52/551,075.30
  6. Step 6: Final answer
    x = 314,289.23

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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.