Home / 434,218.80-651,328.20-401,041.20

Finding the Fourth Proportional to 434,218.80, 651,328.20 and 401,041.20

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Solution

The fourth proportional to 434,218.80, 651,328.20 and 401,041.20 is: 601,561.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,218.80 : 651,328.20 = 401,041.20 : x
  2. Step 2: Convert to fraction form
    434,218.80/651,328.20 = 401,041.20/x
  3. Step 3: Cross multiply
    434,218.80x = 651,328.20 × 401,041.20
  4. Step 4: Simplify right side
    434,218.80x = 261,209,442,921.84
  5. Step 5: Solve for x
    x = 261,209,442,921.84/434,218.80
  6. Step 6: Final answer
    x = 601,561.80

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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.