Home / 915,752.69-1,263,738.68-507,916.98

Finding the Fourth Proportional to 915,752.69, 1,263,738.68 and 507,916.98

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Solution

The fourth proportional to 915,752.69, 1,263,738.68 and 507,916.98 is: 700,925.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,752.69 : 1,263,738.68 = 507,916.98 : x
  2. Step 2: Convert to fraction form
    915,752.69/1,263,738.68 = 507,916.98/x
  3. Step 3: Cross multiply
    915,752.69x = 1,263,738.68 × 507,916.98
  4. Step 4: Simplify right side
    915,752.69x = 641,874,333,219.89
  5. Step 5: Solve for x
    x = 641,874,333,219.89/915,752.69
  6. Step 6: Final answer
    x = 700,925.41

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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.