Home / 528,019.47-792,104.72-163,309.20

Finding the Fourth Proportional to 528,019.47, 792,104.72 and 163,309.20

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Solution

The fourth proportional to 528,019.47, 792,104.72 and 163,309.20 is: 244,987.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,019.47 : 792,104.72 = 163,309.20 : x
  2. Step 2: Convert to fraction form
    528,019.47/792,104.72 = 163,309.20/x
  3. Step 3: Cross multiply
    528,019.47x = 792,104.72 × 163,309.20
  4. Step 4: Simplify right side
    528,019.47x = 129,357,987,322.88
  5. Step 5: Solve for x
    x = 129,357,987,322.88/528,019.47
  6. Step 6: Final answer
    x = 244,987.15

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1.5x scale

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.