Home / 985,075.56-1,477,697.18-310,976.55

Finding the Fourth Proportional to 985,075.56, 1,477,697.18 and 310,976.55

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Solution

The fourth proportional to 985,075.56, 1,477,697.18 and 310,976.55 is: 466,491.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,075.56 : 1,477,697.18 = 310,976.55 : x
  2. Step 2: Convert to fraction form
    985,075.56/1,477,697.18 = 310,976.55/x
  3. Step 3: Cross multiply
    985,075.56x = 1,477,697.18 × 310,976.55
  4. Step 4: Simplify right side
    985,075.56x = 459,529,170,981.13
  5. Step 5: Solve for x
    x = 459,529,170,981.13/985,075.56
  6. Step 6: Final answer
    x = 466,491.29

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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.