Home / 739,193.73-1,020,088.88-399,661.98

Finding the Fourth Proportional to 739,193.73, 1,020,088.88 and 399,661.98

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Solution

The fourth proportional to 739,193.73, 1,020,088.88 and 399,661.98 is: 551,534.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,193.73 : 1,020,088.88 = 399,661.98 : x
  2. Step 2: Convert to fraction form
    739,193.73/1,020,088.88 = 399,661.98/x
  3. Step 3: Cross multiply
    739,193.73x = 1,020,088.88 × 399,661.98
  4. Step 4: Simplify right side
    739,193.73x = 407,690,739,558.47
  5. Step 5: Solve for x
    x = 407,690,739,558.47/739,193.73
  6. Step 6: Final answer
    x = 551,534.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.