Home / 690,598.36-1,035,985.02-191,962.36

Finding the Fourth Proportional to 690,598.36, 1,035,985.02 and 191,962.36

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Solution

The fourth proportional to 690,598.36, 1,035,985.02 and 191,962.36 is: 287,967.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,598.36 : 1,035,985.02 = 191,962.36 : x
  2. Step 2: Convert to fraction form
    690,598.36/1,035,985.02 = 191,962.36/x
  3. Step 3: Cross multiply
    690,598.36x = 1,035,985.02 × 191,962.36
  4. Step 4: Simplify right side
    690,598.36x = 198,870,129,363.85
  5. Step 5: Solve for x
    x = 198,870,129,363.85/690,598.36
  6. Step 6: Final answer
    x = 287,967.86

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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.