Home / 909,333.20-1,363,999.56-310,294.32

Finding the Fourth Proportional to 909,333.20, 1,363,999.56 and 310,294.32

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Solution

The fourth proportional to 909,333.20, 1,363,999.56 and 310,294.32 is: 465,441.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,333.20 : 1,363,999.56 = 310,294.32 : x
  2. Step 2: Convert to fraction form
    909,333.20/1,363,999.56 = 310,294.32/x
  3. Step 3: Cross multiply
    909,333.20x = 1,363,999.56 × 310,294.32
  4. Step 4: Simplify right side
    909,333.20x = 423,241,315,950.50
  5. Step 5: Solve for x
    x = 423,241,315,950.50/909,333.20
  6. Step 6: Final answer
    x = 465,441.40

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Double scale
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Similar ratio
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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.