Home / 909,433.30-1,363,774.59-310,442.75

Finding the Fourth Proportional to 909,433.30, 1,363,774.59 and 310,442.75

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Solution

The fourth proportional to 909,433.30, 1,363,774.59 and 310,442.75 is: 465,536.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,433.30 : 1,363,774.59 = 310,442.75 : x
  2. Step 2: Convert to fraction form
    909,433.30/1,363,774.59 = 310,442.75/x
  3. Step 3: Cross multiply
    909,433.30x = 1,363,774.59 × 310,442.75
  4. Step 4: Simplify right side
    909,433.30x = 423,373,934,099.72
  5. Step 5: Solve for x
    x = 423,373,934,099.72/909,433.30
  6. Step 6: Final answer
    x = 465,536.00

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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.