Home / 698,927.70-1,049,169.15-383,999.70

Finding the Fourth Proportional to 698,927.70, 1,049,169.15 and 383,999.70

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Solution

The fourth proportional to 698,927.70, 1,049,169.15 and 383,999.70 is: 576,426.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,927.70 : 1,049,169.15 = 383,999.70 : x
  2. Step 2: Convert to fraction form
    698,927.70/1,049,169.15 = 383,999.70/x
  3. Step 3: Cross multiply
    698,927.70x = 1,049,169.15 × 383,999.70
  4. Step 4: Simplify right side
    698,927.70x = 402,880,638,849.26
  5. Step 5: Solve for x
    x = 402,880,638,849.26/698,927.70
  6. Step 6: Final answer
    x = 576,426.77

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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.