Home / 730,313.40-1,007,813.88-408,025.92

Finding the Fourth Proportional to 730,313.40, 1,007,813.88 and 408,025.92

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Solution

The fourth proportional to 730,313.40, 1,007,813.88 and 408,025.92 is: 563,065.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,313.40 : 1,007,813.88 = 408,025.92 : x
  2. Step 2: Convert to fraction form
    730,313.40/1,007,813.88 = 408,025.92/x
  3. Step 3: Cross multiply
    730,313.40x = 1,007,813.88 × 408,025.92
  4. Step 4: Simplify right side
    730,313.40x = 411,214,185,575.77
  5. Step 5: Solve for x
    x = 411,214,185,575.77/730,313.40
  6. Step 6: Final answer
    x = 563,065.37

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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.