Home / 802,127.52-1,106,830.80-479,720.16

Finding the Fourth Proportional to 802,127.52, 1,106,830.80 and 479,720.16

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Solution

The fourth proportional to 802,127.52, 1,106,830.80 and 479,720.16 is: 661,950.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,127.52 : 1,106,830.80 = 479,720.16 : x
  2. Step 2: Convert to fraction form
    802,127.52/1,106,830.80 = 479,720.16/x
  3. Step 3: Cross multiply
    802,127.52x = 1,106,830.80 × 479,720.16
  4. Step 4: Simplify right side
    802,127.52x = 530,969,048,468.93
  5. Step 5: Solve for x
    x = 530,969,048,468.93/802,127.52
  6. Step 6: Final answer
    x = 661,950.92

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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.