Home / 788,488.80-1,182,441.60-256,027.20

Finding the Fourth Proportional to 788,488.80, 1,182,441.60 and 256,027.20

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Solution

The fourth proportional to 788,488.80, 1,182,441.60 and 256,027.20 is: 383,946.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,488.80 : 1,182,441.60 = 256,027.20 : x
  2. Step 2: Convert to fraction form
    788,488.80/1,182,441.60 = 256,027.20/x
  3. Step 3: Cross multiply
    788,488.80x = 1,182,441.60 × 256,027.20
  4. Step 4: Simplify right side
    788,488.80x = 302,737,212,011.52
  5. Step 5: Solve for x
    x = 302,737,212,011.52/788,488.80
  6. Step 6: Final answer
    x = 383,946.12

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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.