Home / 873,303.81-1,205,061.75-491,322.39

Finding the Fourth Proportional to 873,303.81, 1,205,061.75 and 491,322.39

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Solution

The fourth proportional to 873,303.81, 1,205,061.75 and 491,322.39 is: 677,970.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,303.81 : 1,205,061.75 = 491,322.39 : x
  2. Step 2: Convert to fraction form
    873,303.81/1,205,061.75 = 491,322.39/x
  3. Step 3: Cross multiply
    873,303.81x = 1,205,061.75 × 491,322.39
  4. Step 4: Simplify right side
    873,303.81x = 592,073,819,107.58
  5. Step 5: Solve for x
    x = 592,073,819,107.58/873,303.81
  6. Step 6: Final answer
    x = 677,970.04

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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.