Home / 913,907.46-1,261,231.68-506,009.28

Finding the Fourth Proportional to 913,907.46, 1,261,231.68 and 506,009.28

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Solution

The fourth proportional to 913,907.46, 1,261,231.68 and 506,009.28 is: 698,314.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,907.46 : 1,261,231.68 = 506,009.28 : x
  2. Step 2: Convert to fraction form
    913,907.46/1,261,231.68 = 506,009.28/x
  3. Step 3: Cross multiply
    913,907.46x = 1,261,231.68 × 506,009.28
  4. Step 4: Simplify right side
    913,907.46x = 638,194,934,309.99
  5. Step 5: Solve for x
    x = 638,194,934,309.99/913,907.46
  6. Step 6: Final answer
    x = 698,314.61

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Double scale
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1.5x scale

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.