Home / 775,859.77-1,163,741.32-371,339.29

Finding the Fourth Proportional to 775,859.77, 1,163,741.32 and 371,339.29

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Solution

The fourth proportional to 775,859.77, 1,163,741.32 and 371,339.29 is: 556,985.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,859.77 : 1,163,741.32 = 371,339.29 : x
  2. Step 2: Convert to fraction form
    775,859.77/1,163,741.32 = 371,339.29/x
  3. Step 3: Cross multiply
    775,859.77x = 1,163,741.32 × 371,339.29
  4. Step 4: Simplify right side
    775,859.77x = 432,142,875,512.46
  5. Step 5: Solve for x
    x = 432,142,875,512.46/775,859.77
  6. Step 6: Final answer
    x = 556,985.80

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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.