Home / 436,456.97-602,112.81-315,406.52

Finding the Fourth Proportional to 436,456.97, 602,112.81 and 315,406.52

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Solution

The fourth proportional to 436,456.97, 602,112.81 and 315,406.52 is: 435,118.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,456.97 : 602,112.81 = 315,406.52 : x
  2. Step 2: Convert to fraction form
    436,456.97/602,112.81 = 315,406.52/x
  3. Step 3: Cross multiply
    436,456.97x = 602,112.81 × 315,406.52
  4. Step 4: Simplify right side
    436,456.97x = 189,910,303,038.96
  5. Step 5: Solve for x
    x = 189,910,303,038.96/436,456.97
  6. Step 6: Final answer
    x = 435,118.05

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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.