Home / 768,528.69-1,152,199.08-288,746.34

Finding the Fourth Proportional to 768,528.69, 1,152,199.08 and 288,746.34

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Solution

The fourth proportional to 768,528.69, 1,152,199.08 and 288,746.34 is: 432,896.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,528.69 : 1,152,199.08 = 288,746.34 : x
  2. Step 2: Convert to fraction form
    768,528.69/1,152,199.08 = 288,746.34/x
  3. Step 3: Cross multiply
    768,528.69x = 1,152,199.08 × 288,746.34
  4. Step 4: Simplify right side
    768,528.69x = 332,693,267,301.37
  5. Step 5: Solve for x
    x = 332,693,267,301.37/768,528.69
  6. Step 6: Final answer
    x = 432,896.35

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1.5x scale

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.