Home / 746,586.17-1,030,311.47-407,060.09

Finding the Fourth Proportional to 746,586.17, 1,030,311.47 and 407,060.09

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Solution

The fourth proportional to 746,586.17, 1,030,311.47 and 407,060.09 is: 561,755.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,586.17 : 1,030,311.47 = 407,060.09 : x
  2. Step 2: Convert to fraction form
    746,586.17/1,030,311.47 = 407,060.09/x
  3. Step 3: Cross multiply
    746,586.17x = 1,030,311.47 × 407,060.09
  4. Step 4: Simplify right side
    746,586.17x = 419,398,679,706.23
  5. Step 5: Solve for x
    x = 419,398,679,706.23/746,586.17
  6. Step 6: Final answer
    x = 561,755.22

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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.