Home / 686,010.06-946,617.02-380,009.88

Finding the Fourth Proportional to 686,010.06, 946,617.02 and 380,009.88

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Solution

The fourth proportional to 686,010.06, 946,617.02 and 380,009.88 is: 524,371.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,010.06 : 946,617.02 = 380,009.88 : x
  2. Step 2: Convert to fraction form
    686,010.06/946,617.02 = 380,009.88/x
  3. Step 3: Cross multiply
    686,010.06x = 946,617.02 × 380,009.88
  4. Step 4: Simplify right side
    686,010.06x = 359,723,820,176.16
  5. Step 5: Solve for x
    x = 359,723,820,176.16/686,010.06
  6. Step 6: Final answer
    x = 524,371.06

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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.