Home / 637,738.60-880,085.22-351,259.72

Finding the Fourth Proportional to 637,738.60, 880,085.22 and 351,259.72

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Solution

The fourth proportional to 637,738.60, 880,085.22 and 351,259.72 is: 484,741.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,738.60 : 880,085.22 = 351,259.72 : x
  2. Step 2: Convert to fraction form
    637,738.60/880,085.22 = 351,259.72/x
  3. Step 3: Cross multiply
    637,738.60x = 880,085.22 × 351,259.72
  4. Step 4: Simplify right side
    637,738.60x = 309,138,487,953.34
  5. Step 5: Solve for x
    x = 309,138,487,953.34/637,738.60
  6. Step 6: Final answer
    x = 484,741.69

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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.