Home / 719,509.20-1,078,972.20-245,950.80

Finding the Fourth Proportional to 719,509.20, 1,078,972.20 and 245,950.80

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Solution

The fourth proportional to 719,509.20, 1,078,972.20 and 245,950.80 is: 368,826.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,509.20 : 1,078,972.20 = 245,950.80 : x
  2. Step 2: Convert to fraction form
    719,509.20/1,078,972.20 = 245,950.80/x
  3. Step 3: Cross multiply
    719,509.20x = 1,078,972.20 × 245,950.80
  4. Step 4: Simplify right side
    719,509.20x = 265,374,075,767.76
  5. Step 5: Solve for x
    x = 265,374,075,767.76/719,509.20
  6. Step 6: Final answer
    x = 368,826.52

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Double scale
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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.