Home / 975,705.12-1,463,513.76-406,851.84

Finding the Fourth Proportional to 975,705.12, 1,463,513.76 and 406,851.84

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Solution

The fourth proportional to 975,705.12, 1,463,513.76 and 406,851.84 is: 610,259.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,705.12 : 1,463,513.76 = 406,851.84 : x
  2. Step 2: Convert to fraction form
    975,705.12/1,463,513.76 = 406,851.84/x
  3. Step 3: Cross multiply
    975,705.12x = 1,463,513.76 × 406,851.84
  4. Step 4: Simplify right side
    975,705.12x = 595,433,266,121.32
  5. Step 5: Solve for x
    x = 595,433,266,121.32/975,705.12
  6. Step 6: Final answer
    x = 610,259.45

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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.