Home / 942,155.55-1,412,378.07-342,692.91

Finding the Fourth Proportional to 942,155.55, 1,412,378.07 and 342,692.91

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Solution

The fourth proportional to 942,155.55, 1,412,378.07 and 342,692.91 is: 513,728.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,155.55 : 1,412,378.07 = 342,692.91 : x
  2. Step 2: Convert to fraction form
    942,155.55/1,412,378.07 = 342,692.91/x
  3. Step 3: Cross multiply
    942,155.55x = 1,412,378.07 × 342,692.91
  4. Step 4: Simplify right side
    942,155.55x = 484,011,950,828.48
  5. Step 5: Solve for x
    x = 484,011,950,828.48/942,155.55
  6. Step 6: Final answer
    x = 513,728.28

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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.