Home / 855,153.30-1,180,031.18-578,949.29

Finding the Fourth Proportional to 855,153.30, 1,180,031.18 and 578,949.29

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Solution

The fourth proportional to 855,153.30, 1,180,031.18 and 578,949.29 is: 798,895.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,153.30 : 1,180,031.18 = 578,949.29 : x
  2. Step 2: Convert to fraction form
    855,153.30/1,180,031.18 = 578,949.29/x
  3. Step 3: Cross multiply
    855,153.30x = 1,180,031.18 × 578,949.29
  4. Step 4: Simplify right side
    855,153.30x = 683,178,205,043.96
  5. Step 5: Solve for x
    x = 683,178,205,043.96/855,153.30
  6. Step 6: Final answer
    x = 798,895.60

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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.