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Finding the Fourth Proportional to 603,670.80, 907,255.80 and 526,688.40

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Solution

The fourth proportional to 603,670.80, 907,255.80 and 526,688.40 is: 791,559.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,670.80 : 907,255.80 = 526,688.40 : x
  2. Step 2: Convert to fraction form
    603,670.80/907,255.80 = 526,688.40/x
  3. Step 3: Cross multiply
    603,670.80x = 907,255.80 × 526,688.40
  4. Step 4: Simplify right side
    603,670.80x = 477,841,105,692.72
  5. Step 5: Solve for x
    x = 477,841,105,692.72/603,670.80
  6. Step 6: Final answer
    x = 791,559.08

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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.