Home / 738,079.80-1,103,075.34-538,819.80

Finding the Fourth Proportional to 738,079.80, 1,103,075.34 and 538,819.80

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Solution

The fourth proportional to 738,079.80, 1,103,075.34 and 538,819.80 is: 805,277.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,079.80 : 1,103,075.34 = 538,819.80 : x
  2. Step 2: Convert to fraction form
    738,079.80/1,103,075.34 = 538,819.80/x
  3. Step 3: Cross multiply
    738,079.80x = 1,103,075.34 × 538,819.80
  4. Step 4: Simplify right side
    738,079.80x = 594,358,834,083.73
  5. Step 5: Solve for x
    x = 594,358,834,083.73/738,079.80
  6. Step 6: Final answer
    x = 805,277.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.