Home / 983,721.08-1,357,539.72-554,008.52

Finding the Fourth Proportional to 983,721.08, 1,357,539.72 and 554,008.52

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Solution

The fourth proportional to 983,721.08, 1,357,539.72 and 554,008.52 is: 764,534.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,721.08 : 1,357,539.72 = 554,008.52 : x
  2. Step 2: Convert to fraction form
    983,721.08/1,357,539.72 = 554,008.52/x
  3. Step 3: Cross multiply
    983,721.08x = 1,357,539.72 × 554,008.52
  4. Step 4: Simplify right side
    983,721.08x = 752,088,571,118.41
  5. Step 5: Solve for x
    x = 752,088,571,118.41/983,721.08
  6. Step 6: Final answer
    x = 764,534.36

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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.