Home / 727,741.17-1,004,276.21-405,445.41

Finding the Fourth Proportional to 727,741.17, 1,004,276.21 and 405,445.41

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Solution

The fourth proportional to 727,741.17, 1,004,276.21 and 405,445.41 is: 559,510.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,741.17 : 1,004,276.21 = 405,445.41 : x
  2. Step 2: Convert to fraction form
    727,741.17/1,004,276.21 = 405,445.41/x
  3. Step 3: Cross multiply
    727,741.17x = 1,004,276.21 × 405,445.41
  4. Step 4: Simplify right side
    727,741.17x = 407,179,177,689.47
  5. Step 5: Solve for x
    x = 407,179,177,689.47/727,741.17
  6. Step 6: Final answer
    x = 559,510.98

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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.