Home / 921,037.69-1,381,491.77-344,551.02

Finding the Fourth Proportional to 921,037.69, 1,381,491.77 and 344,551.02

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Solution

The fourth proportional to 921,037.69, 1,381,491.77 and 344,551.02 is: 516,802.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,037.69 : 1,381,491.77 = 344,551.02 : x
  2. Step 2: Convert to fraction form
    921,037.69/1,381,491.77 = 344,551.02/x
  3. Step 3: Cross multiply
    921,037.69x = 1,381,491.77 × 344,551.02
  4. Step 4: Simplify right side
    921,037.69x = 475,994,393,509.86
  5. Step 5: Solve for x
    x = 475,994,393,509.86/921,037.69
  6. Step 6: Final answer
    x = 516,802.30

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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.