Home / 839,987.64-1,159,158.06-477,451.08

Finding the Fourth Proportional to 839,987.64, 1,159,158.06 and 477,451.08

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Solution

The fourth proportional to 839,987.64, 1,159,158.06 and 477,451.08 is: 658,868.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,987.64 : 1,159,158.06 = 477,451.08 : x
  2. Step 2: Convert to fraction form
    839,987.64/1,159,158.06 = 477,451.08/x
  3. Step 3: Cross multiply
    839,987.64x = 1,159,158.06 × 477,451.08
  4. Step 4: Simplify right side
    839,987.64x = 553,441,267,637.71
  5. Step 5: Solve for x
    x = 553,441,267,637.71/839,987.64
  6. Step 6: Final answer
    x = 658,868.35

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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.