Home / 747,080.82-1,030,970.23-407,549.07

Finding the Fourth Proportional to 747,080.82, 1,030,970.23 and 407,549.07

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Solution

The fourth proportional to 747,080.82, 1,030,970.23 and 407,549.07 is: 562,417.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,080.82 : 1,030,970.23 = 407,549.07 : x
  2. Step 2: Convert to fraction form
    747,080.82/1,030,970.23 = 407,549.07/x
  3. Step 3: Cross multiply
    747,080.82x = 1,030,970.23 × 407,549.07
  4. Step 4: Simplify right side
    747,080.82x = 420,170,957,415.31
  5. Step 5: Solve for x
    x = 420,170,957,415.31/747,080.82
  6. Step 6: Final answer
    x = 562,417.01

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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.