Home / 849,409.36-1,172,124.48-505,226.32

Finding the Fourth Proportional to 849,409.36, 1,172,124.48 and 505,226.32

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Solution

The fourth proportional to 849,409.36, 1,172,124.48 and 505,226.32 is: 697,176.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,409.36 : 1,172,124.48 = 505,226.32 : x
  2. Step 2: Convert to fraction form
    849,409.36/1,172,124.48 = 505,226.32/x
  3. Step 3: Cross multiply
    849,409.36x = 1,172,124.48 × 505,226.32
  4. Step 4: Simplify right side
    849,409.36x = 592,188,137,612.31
  5. Step 5: Solve for x
    x = 592,188,137,612.31/849,409.36
  6. Step 6: Final answer
    x = 697,176.37

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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.