Home / 868,237.80-1,301,406.30-306,983.40

Finding the Fourth Proportional to 868,237.80, 1,301,406.30 and 306,983.40

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Solution

The fourth proportional to 868,237.80, 1,301,406.30 and 306,983.40 is: 460,139.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,237.80 : 1,301,406.30 = 306,983.40 : x
  2. Step 2: Convert to fraction form
    868,237.80/1,301,406.30 = 306,983.40/x
  3. Step 3: Cross multiply
    868,237.80x = 1,301,406.30 × 306,983.40
  4. Step 4: Simplify right side
    868,237.80x = 399,510,130,755.42
  5. Step 5: Solve for x
    x = 399,510,130,755.42/868,237.80
  6. Step 6: Final answer
    x = 460,139.07

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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.