Home / 898,327.80-1,347,491.70-425,935.80

Finding the Fourth Proportional to 898,327.80, 1,347,491.70 and 425,935.80

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Solution

The fourth proportional to 898,327.80, 1,347,491.70 and 425,935.80 is: 638,903.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,327.80 : 1,347,491.70 = 425,935.80 : x
  2. Step 2: Convert to fraction form
    898,327.80/1,347,491.70 = 425,935.80/x
  3. Step 3: Cross multiply
    898,327.80x = 1,347,491.70 × 425,935.80
  4. Step 4: Simplify right side
    898,327.80x = 573,944,955,232.86
  5. Step 5: Solve for x
    x = 573,944,955,232.86/898,327.80
  6. Step 6: Final answer
    x = 638,903.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.