Home / 926,381.70-1,389,637.35-365,343.30

Finding the Fourth Proportional to 926,381.70, 1,389,637.35 and 365,343.30

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Solution

The fourth proportional to 926,381.70, 1,389,637.35 and 365,343.30 is: 548,040.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,381.70 : 1,389,637.35 = 365,343.30 : x
  2. Step 2: Convert to fraction form
    926,381.70/1,389,637.35 = 365,343.30/x
  3. Step 3: Cross multiply
    926,381.70x = 1,389,637.35 × 365,343.30
  4. Step 4: Simplify right side
    926,381.70x = 507,694,695,252.26
  5. Step 5: Solve for x
    x = 507,694,695,252.26/926,381.70
  6. Step 6: Final answer
    x = 548,040.51

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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.