Home / 788,411.53-1,182,924.08-315,232.21

Finding the Fourth Proportional to 788,411.53, 1,182,924.08 and 315,232.21

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Solution

The fourth proportional to 788,411.53, 1,182,924.08 and 315,232.21 is: 472,970.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,411.53 : 1,182,924.08 = 315,232.21 : x
  2. Step 2: Convert to fraction form
    788,411.53/1,182,924.08 = 315,232.21/x
  3. Step 3: Cross multiply
    788,411.53x = 1,182,924.08 × 315,232.21
  4. Step 4: Simplify right side
    788,411.53x = 372,895,765,544.69
  5. Step 5: Solve for x
    x = 372,895,765,544.69/788,411.53
  6. Step 6: Final answer
    x = 472,970.97

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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.