Home / 984,700.80-1,477,051.20-423,735.30

Finding the Fourth Proportional to 984,700.80, 1,477,051.20 and 423,735.30

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Solution

The fourth proportional to 984,700.80, 1,477,051.20 and 423,735.30 is: 635,602.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,700.80 : 1,477,051.20 = 423,735.30 : x
  2. Step 2: Convert to fraction form
    984,700.80/1,477,051.20 = 423,735.30/x
  3. Step 3: Cross multiply
    984,700.80x = 1,477,051.20 × 423,735.30
  4. Step 4: Simplify right side
    984,700.80x = 625,878,733,347.36
  5. Step 5: Solve for x
    x = 625,878,733,347.36/984,700.80
  6. Step 6: Final answer
    x = 635,602.95

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Similar ratio
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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.