Home / 841,284.58-1,161,002.01-478,763.14

Finding the Fourth Proportional to 841,284.58, 1,161,002.01 and 478,763.14

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Solution

The fourth proportional to 841,284.58, 1,161,002.01 and 478,763.14 is: 660,709.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,284.58 : 1,161,002.01 = 478,763.14 : x
  2. Step 2: Convert to fraction form
    841,284.58/1,161,002.01 = 478,763.14/x
  3. Step 3: Cross multiply
    841,284.58x = 1,161,002.01 × 478,763.14
  4. Step 4: Simplify right side
    841,284.58x = 555,844,967,853.91
  5. Step 5: Solve for x
    x = 555,844,967,853.91/841,284.58
  6. Step 6: Final answer
    x = 660,709.80

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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.