Home / 903,371.52-1,246,602.72-516,172.32

Finding the Fourth Proportional to 903,371.52, 1,246,602.72 and 516,172.32

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Solution

The fourth proportional to 903,371.52, 1,246,602.72 and 516,172.32 is: 712,289.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,371.52 : 1,246,602.72 = 516,172.32 : x
  2. Step 2: Convert to fraction form
    903,371.52/1,246,602.72 = 516,172.32/x
  3. Step 3: Cross multiply
    903,371.52x = 1,246,602.72 × 516,172.32
  4. Step 4: Simplify right side
    903,371.52x = 643,461,818,100.71
  5. Step 5: Solve for x
    x = 643,461,818,100.71/903,371.52
  6. Step 6: Final answer
    x = 712,289.25

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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.