Home / 768,526.69-1,152,196.08-288,744.34

Finding the Fourth Proportional to 768,526.69, 1,152,196.08 and 288,744.34

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Solution

The fourth proportional to 768,526.69, 1,152,196.08 and 288,744.34 is: 432,893.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,526.69 : 1,152,196.08 = 288,744.34 : x
  2. Step 2: Convert to fraction form
    768,526.69/1,152,196.08 = 288,744.34/x
  3. Step 3: Cross multiply
    768,526.69x = 1,152,196.08 × 288,744.34
  4. Step 4: Simplify right side
    768,526.69x = 332,690,096,670.19
  5. Step 5: Solve for x
    x = 332,690,096,670.19/768,526.69
  6. Step 6: Final answer
    x = 432,893.35

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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.