Home / 578,075.20-867,501.60-262,369.60

Finding the Fourth Proportional to 578,075.20, 867,501.60 and 262,369.60

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Solution

The fourth proportional to 578,075.20, 867,501.60 and 262,369.60 is: 393,730.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,075.20 : 867,501.60 = 262,369.60 : x
  2. Step 2: Convert to fraction form
    578,075.20/867,501.60 = 262,369.60/x
  3. Step 3: Cross multiply
    578,075.20x = 867,501.60 × 262,369.60
  4. Step 4: Simplify right side
    578,075.20x = 227,606,047,791.36
  5. Step 5: Solve for x
    x = 227,606,047,791.36/578,075.20
  6. Step 6: Final answer
    x = 393,730.86

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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.