Home / 583,290.20-804,940.56-315,018.20

Finding the Fourth Proportional to 583,290.20, 804,940.56 and 315,018.20

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Solution

The fourth proportional to 583,290.20, 804,940.56 and 315,018.20 is: 434,725.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,290.20 : 804,940.56 = 315,018.20 : x
  2. Step 2: Convert to fraction form
    583,290.20/804,940.56 = 315,018.20/x
  3. Step 3: Cross multiply
    583,290.20x = 804,940.56 × 315,018.20
  4. Step 4: Simplify right side
    583,290.20x = 253,570,926,318.19
  5. Step 5: Solve for x
    x = 253,570,926,318.19/583,290.20
  6. Step 6: Final answer
    x = 434,725.16

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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.