Home / 638,646.14-881,325.23-348,257.00

Finding the Fourth Proportional to 638,646.14, 881,325.23 and 348,257.00

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Solution

The fourth proportional to 638,646.14, 881,325.23 and 348,257.00 is: 480,591.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,646.14 : 881,325.23 = 348,257.00 : x
  2. Step 2: Convert to fraction form
    638,646.14/881,325.23 = 348,257.00/x
  3. Step 3: Cross multiply
    638,646.14x = 881,325.23 × 348,257.00
  4. Step 4: Simplify right side
    638,646.14x = 306,927,674,476.20
  5. Step 5: Solve for x
    x = 306,927,674,476.20/638,646.14
  6. Step 6: Final answer
    x = 480,591.13

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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.