Home / 726,075.52-1,001,840.70-439,622.08

Finding the Fourth Proportional to 726,075.52, 1,001,840.70 and 439,622.08

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Solution

The fourth proportional to 726,075.52, 1,001,840.70 and 439,622.08 is: 606,591.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,075.52 : 1,001,840.70 = 439,622.08 : x
  2. Step 2: Convert to fraction form
    726,075.52/1,001,840.70 = 439,622.08/x
  3. Step 3: Cross multiply
    726,075.52x = 1,001,840.70 × 439,622.08
  4. Step 4: Simplify right side
    726,075.52x = 440,431,292,362.66
  5. Step 5: Solve for x
    x = 440,431,292,362.66/726,075.52
  6. Step 6: Final answer
    x = 606,591.57

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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.