Home / 637,736.51-880,043.18-396,013.91

Finding the Fourth Proportional to 637,736.51, 880,043.18 and 396,013.91

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Solution

The fourth proportional to 637,736.51, 880,043.18 and 396,013.91 is: 546,478.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,736.51 : 880,043.18 = 396,013.91 : x
  2. Step 2: Convert to fraction form
    637,736.51/880,043.18 = 396,013.91/x
  3. Step 3: Cross multiply
    637,736.51x = 880,043.18 × 396,013.91
  4. Step 4: Simplify right side
    637,736.51x = 348,509,334,300.35
  5. Step 5: Solve for x
    x = 348,509,334,300.35/637,736.51
  6. Step 6: Final answer
    x = 546,478.57

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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.