Home / 855,157.80-1,180,037.38-578,953.79

Finding the Fourth Proportional to 855,157.80, 1,180,037.38 and 578,953.79

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Solution

The fourth proportional to 855,157.80, 1,180,037.38 and 578,953.79 is: 798,901.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,157.80 : 1,180,037.38 = 578,953.79 : x
  2. Step 2: Convert to fraction form
    855,157.80/1,180,037.38 = 578,953.79/x
  3. Step 3: Cross multiply
    855,157.80x = 1,180,037.38 × 578,953.79
  4. Step 4: Simplify right side
    855,157.80x = 683,187,113,492.67
  5. Step 5: Solve for x
    x = 683,187,113,492.67/855,157.80
  6. Step 6: Final answer
    x = 798,901.81

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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.