Home / 849,463.72-1,172,199.52-505,280.68

Finding the Fourth Proportional to 849,463.72, 1,172,199.52 and 505,280.68

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Solution

The fourth proportional to 849,463.72, 1,172,199.52 and 505,280.68 is: 697,251.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,463.72 : 1,172,199.52 = 505,280.68 : x
  2. Step 2: Convert to fraction form
    849,463.72/1,172,199.52 = 505,280.68/x
  3. Step 3: Cross multiply
    849,463.72x = 1,172,199.52 × 505,280.68
  4. Step 4: Simplify right side
    849,463.72x = 592,289,770,561.27
  5. Step 5: Solve for x
    x = 592,289,770,561.27/849,463.72
  6. Step 6: Final answer
    x = 697,251.40

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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.