Home / 710,523.60-1,064,878.20-289,323.60

Finding the Fourth Proportional to 710,523.60, 1,064,878.20 and 289,323.60

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Solution

The fourth proportional to 710,523.60, 1,064,878.20 and 289,323.60 is: 433,615.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,523.60 : 1,064,878.20 = 289,323.60 : x
  2. Step 2: Convert to fraction form
    710,523.60/1,064,878.20 = 289,323.60/x
  3. Step 3: Cross multiply
    710,523.60x = 1,064,878.20 × 289,323.60
  4. Step 4: Simplify right side
    710,523.60x = 308,094,394,385.52
  5. Step 5: Solve for x
    x = 308,094,394,385.52/710,523.60
  6. Step 6: Final answer
    x = 433,615.99

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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.