Home / 686,784.60-1,027,844.10-602,803.80

Finding the Fourth Proportional to 686,784.60, 1,027,844.10 and 602,803.80

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Solution

The fourth proportional to 686,784.60, 1,027,844.10 and 602,803.80 is: 902,158.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,784.60 : 1,027,844.10 = 602,803.80 : x
  2. Step 2: Convert to fraction form
    686,784.60/1,027,844.10 = 602,803.80/x
  3. Step 3: Cross multiply
    686,784.60x = 1,027,844.10 × 602,803.80
  4. Step 4: Simplify right side
    686,784.60x = 619,588,329,287.58
  5. Step 5: Solve for x
    x = 619,588,329,287.58/686,784.60
  6. Step 6: Final answer
    x = 902,158.16

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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.