Home / 997,379.80-1,497,009.30-524,404.60

Finding the Fourth Proportional to 997,379.80, 1,497,009.30 and 524,404.60

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Solution

The fourth proportional to 997,379.80, 1,497,009.30 and 524,404.60 is: 787,100.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,379.80 : 1,497,009.30 = 524,404.60 : x
  2. Step 2: Convert to fraction form
    997,379.80/1,497,009.30 = 524,404.60/x
  3. Step 3: Cross multiply
    997,379.80x = 1,497,009.30 × 524,404.60
  4. Step 4: Simplify right side
    997,379.80x = 785,038,563,162.78
  5. Step 5: Solve for x
    x = 785,038,563,162.78/997,379.80
  6. Step 6: Final answer
    x = 787,100.93

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1.5x scale

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.