Home / 915,806.50-1,263,828.77-507,926.14

Finding the Fourth Proportional to 915,806.50, 1,263,828.77 and 507,926.14

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Solution

The fourth proportional to 915,806.50, 1,263,828.77 and 507,926.14 is: 700,946.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,806.50 : 1,263,828.77 = 507,926.14 : x
  2. Step 2: Convert to fraction form
    915,806.50/1,263,828.77 = 507,926.14/x
  3. Step 3: Cross multiply
    915,806.50x = 1,263,828.77 × 507,926.14
  4. Step 4: Simplify right side
    915,806.50x = 641,931,666,227.42
  5. Step 5: Solve for x
    x = 641,931,666,227.42/915,806.50
  6. Step 6: Final answer
    x = 700,946.83

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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.