Home / 905,881.59-1,359,117.63-456,567.91

Finding the Fourth Proportional to 905,881.59, 1,359,117.63 and 456,567.91

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Solution

The fourth proportional to 905,881.59, 1,359,117.63 and 456,567.91 is: 685,000.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,881.59 : 1,359,117.63 = 456,567.91 : x
  2. Step 2: Convert to fraction form
    905,881.59/1,359,117.63 = 456,567.91/x
  3. Step 3: Cross multiply
    905,881.59x = 1,359,117.63 × 456,567.91
  4. Step 4: Simplify right side
    905,881.59x = 620,529,492,375.46
  5. Step 5: Solve for x
    x = 620,529,492,375.46/905,881.59
  6. Step 6: Final answer
    x = 685,000.67

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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.