Home / 551,427.20-826,703.40-302,109.20

Finding the Fourth Proportional to 551,427.20, 826,703.40 and 302,109.20

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Solution

The fourth proportional to 551,427.20, 826,703.40 and 302,109.20 is: 452,924.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,427.20 : 826,703.40 = 302,109.20 : x
  2. Step 2: Convert to fraction form
    551,427.20/826,703.40 = 302,109.20/x
  3. Step 3: Cross multiply
    551,427.20x = 826,703.40 × 302,109.20
  4. Step 4: Simplify right side
    551,427.20x = 249,754,702,811.28
  5. Step 5: Solve for x
    x = 249,754,702,811.28/551,427.20
  6. Step 6: Final answer
    x = 452,924.16

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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.