Home / 788,412.53-1,182,925.58-315,233.21

Finding the Fourth Proportional to 788,412.53, 1,182,925.58 and 315,233.21

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Solution

The fourth proportional to 788,412.53, 1,182,925.58 and 315,233.21 is: 472,972.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,412.53 : 1,182,925.58 = 315,233.21 : x
  2. Step 2: Convert to fraction form
    788,412.53/1,182,925.58 = 315,233.21/x
  3. Step 3: Cross multiply
    788,412.53x = 1,182,925.58 × 315,233.21
  4. Step 4: Simplify right side
    788,412.53x = 372,897,427,774.51
  5. Step 5: Solve for x
    x = 372,897,427,774.51/788,412.53
  6. Step 6: Final answer
    x = 472,972.48

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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.