Home / 889,534.80-1,334,417.40-440,485.20

Finding the Fourth Proportional to 889,534.80, 1,334,417.40 and 440,485.20

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Solution

The fourth proportional to 889,534.80, 1,334,417.40 and 440,485.20 is: 660,784.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,534.80 : 1,334,417.40 = 440,485.20 : x
  2. Step 2: Convert to fraction form
    889,534.80/1,334,417.40 = 440,485.20/x
  3. Step 3: Cross multiply
    889,534.80x = 1,334,417.40 × 440,485.20
  4. Step 4: Simplify right side
    889,534.80x = 587,791,115,322.48
  5. Step 5: Solve for x
    x = 587,791,115,322.48/889,534.80
  6. Step 6: Final answer
    x = 660,784.85

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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.