Home / 779,597.64-1,075,844.73-421,901.64

Finding the Fourth Proportional to 779,597.64, 1,075,844.73 and 421,901.64

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Solution

The fourth proportional to 779,597.64, 1,075,844.73 and 421,901.64 is: 582,224.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,597.64 : 1,075,844.73 = 421,901.64 : x
  2. Step 2: Convert to fraction form
    779,597.64/1,075,844.73 = 421,901.64/x
  3. Step 3: Cross multiply
    779,597.64x = 1,075,844.73 × 421,901.64
  4. Step 4: Simplify right side
    779,597.64x = 453,900,655,972.36
  5. Step 5: Solve for x
    x = 453,900,655,972.36/779,597.64
  6. Step 6: Final answer
    x = 582,224.26

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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.