Home / 730,817.70-1,095,643.35-309,747.30

Finding the Fourth Proportional to 730,817.70, 1,095,643.35 and 309,747.30

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Solution

The fourth proportional to 730,817.70, 1,095,643.35 and 309,747.30 is: 464,373.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,817.70 : 1,095,643.35 = 309,747.30 : x
  2. Step 2: Convert to fraction form
    730,817.70/1,095,643.35 = 309,747.30/x
  3. Step 3: Cross multiply
    730,817.70x = 1,095,643.35 × 309,747.30
  4. Step 4: Simplify right side
    730,817.70x = 339,372,569,425.46
  5. Step 5: Solve for x
    x = 339,372,569,425.46/730,817.70
  6. Step 6: Final answer
    x = 464,373.77

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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.