Home / 946,428.02-1,306,015.21-516,621.77

Finding the Fourth Proportional to 946,428.02, 1,306,015.21 and 516,621.77

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Solution

The fourth proportional to 946,428.02, 1,306,015.21 and 516,621.77 is: 712,907.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,428.02 : 1,306,015.21 = 516,621.77 : x
  2. Step 2: Convert to fraction form
    946,428.02/1,306,015.21 = 516,621.77/x
  3. Step 3: Cross multiply
    946,428.02x = 1,306,015.21 × 516,621.77
  4. Step 4: Simplify right side
    946,428.02x = 674,715,889,437.12
  5. Step 5: Solve for x
    x = 674,715,889,437.12/946,428.02
  6. Step 6: Final answer
    x = 712,907.77

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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.