Home / 786,968.03-1,178,008.47-426,242.97

Finding the Fourth Proportional to 786,968.03, 1,178,008.47 and 426,242.97

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Solution

The fourth proportional to 786,968.03, 1,178,008.47 and 426,242.97 is: 638,040.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,968.03 : 1,178,008.47 = 426,242.97 : x
  2. Step 2: Convert to fraction form
    786,968.03/1,178,008.47 = 426,242.97/x
  3. Step 3: Cross multiply
    786,968.03x = 1,178,008.47 × 426,242.97
  4. Step 4: Simplify right side
    786,968.03x = 502,117,828,937.96
  5. Step 5: Solve for x
    x = 502,117,828,937.96/786,968.03
  6. Step 6: Final answer
    x = 638,040.95

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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.