Home / 997,316.10-1,493,868.15-660,518.10

Finding the Fourth Proportional to 997,316.10, 1,493,868.15 and 660,518.10

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Solution

The fourth proportional to 997,316.10, 1,493,868.15 and 660,518.10 is: 989,382.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,316.10 : 1,493,868.15 = 660,518.10 : x
  2. Step 2: Convert to fraction form
    997,316.10/1,493,868.15 = 660,518.10/x
  3. Step 3: Cross multiply
    997,316.10x = 1,493,868.15 × 660,518.10
  4. Step 4: Simplify right side
    997,316.10x = 986,726,952,088.52
  5. Step 5: Solve for x
    x = 986,726,952,088.52/997,316.10
  6. Step 6: Final answer
    x = 989,382.36

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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.