Home / 882,047.34-1,321,405.65-521,141.31

Finding the Fourth Proportional to 882,047.34, 1,321,405.65 and 521,141.31

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Solution

The fourth proportional to 882,047.34, 1,321,405.65 and 521,141.31 is: 780,728.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,047.34 : 1,321,405.65 = 521,141.31 : x
  2. Step 2: Convert to fraction form
    882,047.34/1,321,405.65 = 521,141.31/x
  3. Step 3: Cross multiply
    882,047.34x = 1,321,405.65 × 521,141.31
  4. Step 4: Simplify right side
    882,047.34x = 688,639,071,482.40
  5. Step 5: Solve for x
    x = 688,639,071,482.40/882,047.34
  6. Step 6: Final answer
    x = 780,728.02

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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.