Home / 784,117.50-1,082,082.15-426,421.50

Finding the Fourth Proportional to 784,117.50, 1,082,082.15 and 426,421.50

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Solution

The fourth proportional to 784,117.50, 1,082,082.15 and 426,421.50 is: 588,461.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,117.50 : 1,082,082.15 = 426,421.50 : x
  2. Step 2: Convert to fraction form
    784,117.50/1,082,082.15 = 426,421.50/x
  3. Step 3: Cross multiply
    784,117.50x = 1,082,082.15 × 426,421.50
  4. Step 4: Simplify right side
    784,117.50x = 461,423,093,526.23
  5. Step 5: Solve for x
    x = 461,423,093,526.23/784,117.50
  6. Step 6: Final answer
    x = 588,461.67

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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.