Home / 868,875.20-1,303,312.80-658,923.20

Finding the Fourth Proportional to 868,875.20, 1,303,312.80 and 658,923.20

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Solution

The fourth proportional to 868,875.20, 1,303,312.80 and 658,923.20 is: 988,384.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,875.20 : 1,303,312.80 = 658,923.20 : x
  2. Step 2: Convert to fraction form
    868,875.20/1,303,312.80 = 658,923.20/x
  3. Step 3: Cross multiply
    868,875.20x = 1,303,312.80 × 658,923.20
  4. Step 4: Simplify right side
    868,875.20x = 858,783,040,776.96
  5. Step 5: Solve for x
    x = 858,783,040,776.96/868,875.20
  6. Step 6: Final answer
    x = 988,384.80

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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.