Home / 690,903.55-1,036,355.33-572,805.55

Finding the Fourth Proportional to 690,903.55, 1,036,355.33 and 572,805.55

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Solution

The fourth proportional to 690,903.55, 1,036,355.33 and 572,805.55 is: 859,208.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,903.55 : 1,036,355.33 = 572,805.55 : x
  2. Step 2: Convert to fraction form
    690,903.55/1,036,355.33 = 572,805.55/x
  3. Step 3: Cross multiply
    690,903.55x = 1,036,355.33 × 572,805.55
  4. Step 4: Simplify right side
    690,903.55x = 593,630,084,796.08
  5. Step 5: Solve for x
    x = 593,630,084,796.08/690,903.55
  6. Step 6: Final answer
    x = 859,208.33

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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.