Home / 424,835.78-586,204.78-243,514.35

Finding the Fourth Proportional to 424,835.78, 586,204.78 and 243,514.35

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Solution

The fourth proportional to 424,835.78, 586,204.78 and 243,514.35 is: 336,010.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,835.78 : 586,204.78 = 243,514.35 : x
  2. Step 2: Convert to fraction form
    424,835.78/586,204.78 = 243,514.35/x
  3. Step 3: Cross multiply
    424,835.78x = 586,204.78 × 243,514.35
  4. Step 4: Simplify right side
    424,835.78x = 142,749,271,820.00
  5. Step 5: Solve for x
    x = 142,749,271,820.00/424,835.78
  6. Step 6: Final answer
    x = 336,010.47

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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.