Home / 862,292.16-1,189,999.98-480,319.20

Finding the Fourth Proportional to 862,292.16, 1,189,999.98 and 480,319.20

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Solution

The fourth proportional to 862,292.16, 1,189,999.98 and 480,319.20 is: 662,860.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,292.16 : 1,189,999.98 = 480,319.20 : x
  2. Step 2: Convert to fraction form
    862,292.16/1,189,999.98 = 480,319.20/x
  3. Step 3: Cross multiply
    862,292.16x = 1,189,999.98 × 480,319.20
  4. Step 4: Simplify right side
    862,292.16x = 571,579,838,393.62
  5. Step 5: Solve for x
    x = 571,579,838,393.62/862,292.16
  6. Step 6: Final answer
    x = 662,860.99

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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.