Home / 1,347,749.20-2,021,623.80-350,477.20

Finding the Fourth Proportional to 1,347,749.20, 2,021,623.80 and 350,477.20

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Solution

The fourth proportional to 1,347,749.20, 2,021,623.80 and 350,477.20 is: 525,715.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,749.20 : 2,021,623.80 = 350,477.20 : x
  2. Step 2: Convert to fraction form
    1,347,749.20/2,021,623.80 = 350,477.20/x
  3. Step 3: Cross multiply
    1,347,749.20x = 2,021,623.80 × 350,477.20
  4. Step 4: Simplify right side
    1,347,749.20x = 708,533,048,877.36
  5. Step 5: Solve for x
    x = 708,533,048,877.36/1,347,749.20
  6. Step 6: Final answer
    x = 525,715.80

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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.