Home / 551,611.20-826,979.40-302,293.20

Finding the Fourth Proportional to 551,611.20, 826,979.40 and 302,293.20

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Solution

The fourth proportional to 551,611.20, 826,979.40 and 302,293.20 is: 453,200.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,611.20 : 826,979.40 = 302,293.20 : x
  2. Step 2: Convert to fraction form
    551,611.20/826,979.40 = 302,293.20/x
  3. Step 3: Cross multiply
    551,611.20x = 826,979.40 × 302,293.20
  4. Step 4: Simplify right side
    551,611.20x = 249,990,249,160.08
  5. Step 5: Solve for x
    x = 249,990,249,160.08/551,611.20
  6. Step 6: Final answer
    x = 453,200.10

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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.