Home / 648,737.86-887,478.00-646,005.44

Finding the Fourth Proportional to 648,737.86, 887,478.00 and 646,005.44

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Solution

The fourth proportional to 648,737.86, 887,478.00 and 646,005.44 is: 883,740.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,737.86 : 887,478.00 = 646,005.44 : x
  2. Step 2: Convert to fraction form
    648,737.86/887,478.00 = 646,005.44/x
  3. Step 3: Cross multiply
    648,737.86x = 887,478.00 × 646,005.44
  4. Step 4: Simplify right side
    648,737.86x = 573,315,612,650.29
  5. Step 5: Solve for x
    x = 573,315,612,650.29/648,737.86
  6. Step 6: Final answer
    x = 883,740.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.