Home / 768,302.68-1,152,022.02-528,698.20

Finding the Fourth Proportional to 768,302.68, 1,152,022.02 and 528,698.20

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Solution

The fourth proportional to 768,302.68, 1,152,022.02 and 528,698.20 is: 792,750.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,302.68 : 1,152,022.02 = 528,698.20 : x
  2. Step 2: Convert to fraction form
    768,302.68/1,152,022.02 = 528,698.20/x
  3. Step 3: Cross multiply
    768,302.68x = 1,152,022.02 × 528,698.20
  4. Step 4: Simplify right side
    768,302.68x = 609,071,968,334.36
  5. Step 5: Solve for x
    x = 609,071,968,334.36/768,302.68
  6. Step 6: Final answer
    x = 792,750.02

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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.