Home / 913,916.99-1,261,244.87-506,018.85

Finding the Fourth Proportional to 913,916.99, 1,261,244.87 and 506,018.85

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Solution

The fourth proportional to 913,916.99, 1,261,244.87 and 506,018.85 is: 698,327.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,916.99 : 1,261,244.87 = 506,018.85 : x
  2. Step 2: Convert to fraction form
    913,916.99/1,261,244.87 = 506,018.85/x
  3. Step 3: Cross multiply
    913,916.99x = 1,261,244.87 × 506,018.85
  4. Step 4: Simplify right side
    913,916.99x = 638,213,679,950.85
  5. Step 5: Solve for x
    x = 638,213,679,950.85/913,916.99
  6. Step 6: Final answer
    x = 698,327.85

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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.