Home / 747,075.43-1,030,961.94-407,541.25

Finding the Fourth Proportional to 747,075.43, 1,030,961.94 and 407,541.25

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Solution

The fourth proportional to 747,075.43, 1,030,961.94 and 407,541.25 is: 562,405.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,075.43 : 1,030,961.94 = 407,541.25 : x
  2. Step 2: Convert to fraction form
    747,075.43/1,030,961.94 = 407,541.25/x
  3. Step 3: Cross multiply
    747,075.43x = 1,030,961.94 × 407,541.25
  4. Step 4: Simplify right side
    747,075.43x = 420,159,517,730.03
  5. Step 5: Solve for x
    x = 420,159,517,730.03/747,075.43
  6. Step 6: Final answer
    x = 562,405.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.