Home / 855,154.30-1,180,032.55-578,950.29

Finding the Fourth Proportional to 855,154.30, 1,180,032.55 and 578,950.29

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Solution

The fourth proportional to 855,154.30, 1,180,032.55 and 578,950.29 is: 798,896.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,154.30 : 1,180,032.55 = 578,950.29 : x
  2. Step 2: Convert to fraction form
    855,154.30/1,180,032.55 = 578,950.29/x
  3. Step 3: Cross multiply
    855,154.30x = 1,180,032.55 × 578,950.29
  4. Step 4: Simplify right side
    855,154.30x = 683,180,187,031.94
  5. Step 5: Solve for x
    x = 683,180,187,031.94/855,154.30
  6. Step 6: Final answer
    x = 798,896.98

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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.