Home / 788,461.80-1,182,984.30-256,000.20

Finding the Fourth Proportional to 788,461.80, 1,182,984.30 and 256,000.20

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Solution

The fourth proportional to 788,461.80, 1,182,984.30 and 256,000.20 is: 384,094.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,461.80 : 1,182,984.30 = 256,000.20 : x
  2. Step 2: Convert to fraction form
    788,461.80/1,182,984.30 = 256,000.20/x
  3. Step 3: Cross multiply
    788,461.80x = 1,182,984.30 × 256,000.20
  4. Step 4: Simplify right side
    788,461.80x = 302,844,217,396.86
  5. Step 5: Solve for x
    x = 302,844,217,396.86/788,461.80
  6. Step 6: Final answer
    x = 384,094.98

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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.