Home / 726,866.39-1,003,075.67-404,569.57

Finding the Fourth Proportional to 726,866.39, 1,003,075.67 and 404,569.57

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Solution

The fourth proportional to 726,866.39, 1,003,075.67 and 404,569.57 is: 558,306.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,866.39 : 1,003,075.67 = 404,569.57 : x
  2. Step 2: Convert to fraction form
    726,866.39/1,003,075.67 = 404,569.57/x
  3. Step 3: Cross multiply
    726,866.39x = 1,003,075.67 × 404,569.57
  4. Step 4: Simplify right side
    726,866.39x = 405,813,890,598.16
  5. Step 5: Solve for x
    x = 405,813,890,598.16/726,866.39
  6. Step 6: Final answer
    x = 558,306.03

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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.