Home / 788,123.51-1,182,351.30-255,603.02

Finding the Fourth Proportional to 788,123.51, 1,182,351.30 and 255,603.02

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Solution

The fourth proportional to 788,123.51, 1,182,351.30 and 255,603.02 is: 383,458.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,123.51 : 1,182,351.30 = 255,603.02 : x
  2. Step 2: Convert to fraction form
    788,123.51/1,182,351.30 = 255,603.02/x
  3. Step 3: Cross multiply
    788,123.51x = 1,182,351.30 × 255,603.02
  4. Step 4: Simplify right side
    788,123.51x = 302,212,562,980.93
  5. Step 5: Solve for x
    x = 302,212,562,980.93/788,123.51
  6. Step 6: Final answer
    x = 383,458.38

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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.