Home / 436,371.10-602,047.38-355,660.00

Finding the Fourth Proportional to 436,371.10, 602,047.38 and 355,660.00

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Solution

The fourth proportional to 436,371.10, 602,047.38 and 355,660.00 is: 490,692.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,371.10 : 602,047.38 = 355,660.00 : x
  2. Step 2: Convert to fraction form
    436,371.10/602,047.38 = 355,660.00/x
  3. Step 3: Cross multiply
    436,371.10x = 602,047.38 × 355,660.00
  4. Step 4: Simplify right side
    436,371.10x = 214,124,170,999.41
  5. Step 5: Solve for x
    x = 214,124,170,999.41/436,371.10
  6. Step 6: Final answer
    x = 490,692.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.