Home / 907,858.40-1,362,820.95-459,086.00

Finding the Fourth Proportional to 907,858.40, 1,362,820.95 and 459,086.00

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Solution

The fourth proportional to 907,858.40, 1,362,820.95 and 459,086.00 is: 689,151.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,858.40 : 1,362,820.95 = 459,086.00 : x
  2. Step 2: Convert to fraction form
    907,858.40/1,362,820.95 = 459,086.00/x
  3. Step 3: Cross multiply
    907,858.40x = 1,362,820.95 × 459,086.00
  4. Step 4: Simplify right side
    907,858.40x = 625,652,011,837.60
  5. Step 5: Solve for x
    x = 625,652,011,837.60/907,858.40
  6. Step 6: Final answer
    x = 689,151.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.