Home / 749,356.39-1,124,403.62-349,939.12

Finding the Fourth Proportional to 749,356.39, 1,124,403.62 and 349,939.12

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Solution

The fourth proportional to 749,356.39, 1,124,403.62 and 349,939.12 is: 525,081.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,356.39 : 1,124,403.62 = 349,939.12 : x
  2. Step 2: Convert to fraction form
    749,356.39/1,124,403.62 = 349,939.12/x
  3. Step 3: Cross multiply
    749,356.39x = 1,124,403.62 × 349,939.12
  4. Step 4: Simplify right side
    749,356.39x = 393,472,813,307.61
  5. Step 5: Solve for x
    x = 393,472,813,307.61/749,356.39
  6. Step 6: Final answer
    x = 525,081.01

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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.