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Finding the Fourth Proportional to 527,281.35, 727,661.57 and 323,444.67

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Solution

The fourth proportional to 527,281.35, 727,661.57 and 323,444.67 is: 446,361.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,281.35 : 727,661.57 = 323,444.67 : x
  2. Step 2: Convert to fraction form
    527,281.35/727,661.57 = 323,444.67/x
  3. Step 3: Cross multiply
    527,281.35x = 727,661.57 × 323,444.67
  4. Step 4: Simplify right side
    527,281.35x = 235,358,254,763.11
  5. Step 5: Solve for x
    x = 235,358,254,763.11/527,281.35
  6. Step 6: Final answer
    x = 446,361.80

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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.