Home / 910,870.80-1,365,794.20-349,923.60

Finding the Fourth Proportional to 910,870.80, 1,365,794.20 and 349,923.60

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Solution

The fourth proportional to 910,870.80, 1,365,794.20 and 349,923.60 is: 524,688.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,870.80 : 1,365,794.20 = 349,923.60 : x
  2. Step 2: Convert to fraction form
    910,870.80/1,365,794.20 = 349,923.60/x
  3. Step 3: Cross multiply
    910,870.80x = 1,365,794.20 × 349,923.60
  4. Step 4: Simplify right side
    910,870.80x = 477,923,623,323.12
  5. Step 5: Solve for x
    x = 477,923,623,323.12/910,870.80
  6. Step 6: Final answer
    x = 524,688.71

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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.