Home / 913,915.24-1,261,242.46-506,017.10

Finding the Fourth Proportional to 913,915.24, 1,261,242.46 and 506,017.10

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Solution

The fourth proportional to 913,915.24, 1,261,242.46 and 506,017.10 is: 698,325.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,915.24 : 1,261,242.46 = 506,017.10 : x
  2. Step 2: Convert to fraction form
    913,915.24/1,261,242.46 = 506,017.10/x
  3. Step 3: Cross multiply
    913,915.24x = 1,261,242.46 × 506,017.10
  4. Step 4: Simplify right side
    913,915.24x = 638,210,245,699.85
  5. Step 5: Solve for x
    x = 638,210,245,699.85/913,915.24
  6. Step 6: Final answer
    x = 698,325.43

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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.