Home / 652,127.18-899,944.68-393,968.22

Finding the Fourth Proportional to 652,127.18, 899,944.68 and 393,968.22

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Solution

The fourth proportional to 652,127.18, 899,944.68 and 393,968.22 is: 543,681.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,127.18 : 899,944.68 = 393,968.22 : x
  2. Step 2: Convert to fraction form
    652,127.18/899,944.68 = 393,968.22/x
  3. Step 3: Cross multiply
    652,127.18x = 899,944.68 × 393,968.22
  4. Step 4: Simplify right side
    652,127.18x = 354,549,603,678.07
  5. Step 5: Solve for x
    x = 354,549,603,678.07/652,127.18
  6. Step 6: Final answer
    x = 543,681.69

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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.