Home / 756,411.86-1,134,700.85-377,428.01

Finding the Fourth Proportional to 756,411.86, 1,134,700.85 and 377,428.01

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Solution

The fourth proportional to 756,411.86, 1,134,700.85 and 377,428.01 is: 566,183.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,411.86 : 1,134,700.85 = 377,428.01 : x
  2. Step 2: Convert to fraction form
    756,411.86/1,134,700.85 = 377,428.01/x
  3. Step 3: Cross multiply
    756,411.86x = 1,134,700.85 × 377,428.01
  4. Step 4: Simplify right side
    756,411.86x = 428,267,879,030.87
  5. Step 5: Solve for x
    x = 428,267,879,030.87/756,411.86
  6. Step 6: Final answer
    x = 566,183.45

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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.