Home / 780,312.30-1,170,468.45-603,165.30

Finding the Fourth Proportional to 780,312.30, 1,170,468.45 and 603,165.30

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Solution

The fourth proportional to 780,312.30, 1,170,468.45 and 603,165.30 is: 904,747.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,312.30 : 1,170,468.45 = 603,165.30 : x
  2. Step 2: Convert to fraction form
    780,312.30/1,170,468.45 = 603,165.30/x
  3. Step 3: Cross multiply
    780,312.30x = 1,170,468.45 × 603,165.30
  4. Step 4: Simplify right side
    780,312.30x = 705,985,953,784.79
  5. Step 5: Solve for x
    x = 705,985,953,784.79/780,312.30
  6. Step 6: Final answer
    x = 904,747.95

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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.