Home / 788,551.40-1,182,925.46-308,717.20

Finding the Fourth Proportional to 788,551.40, 1,182,925.46 and 308,717.20

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Solution

The fourth proportional to 788,551.40, 1,182,925.46 and 308,717.20 is: 463,114.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,551.40 : 1,182,925.46 = 308,717.20 : x
  2. Step 2: Convert to fraction form
    788,551.40/1,182,925.46 = 308,717.20/x
  3. Step 3: Cross multiply
    788,551.40x = 1,182,925.46 × 308,717.20
  4. Step 4: Simplify right side
    788,551.40x = 365,189,435,819.91
  5. Step 5: Solve for x
    x = 365,189,435,819.91/788,551.40
  6. Step 6: Final answer
    x = 463,114.31

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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.