Home / 839,482.24-1,158,451.68-457,500.80

Finding the Fourth Proportional to 839,482.24, 1,158,451.68 and 457,500.80

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Solution

The fourth proportional to 839,482.24, 1,158,451.68 and 457,500.80 is: 631,332.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,482.24 : 1,158,451.68 = 457,500.80 : x
  2. Step 2: Convert to fraction form
    839,482.24/1,158,451.68 = 457,500.80/x
  3. Step 3: Cross multiply
    839,482.24x = 1,158,451.68 × 457,500.80
  4. Step 4: Simplify right side
    839,482.24x = 529,992,570,361.34
  5. Step 5: Solve for x
    x = 529,992,570,361.34/839,482.24
  6. Step 6: Final answer
    x = 631,332.68

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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.