Home / 988,953.63-1,482,939.63-314,947.05

Finding the Fourth Proportional to 988,953.63, 1,482,939.63 and 314,947.05

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Solution

The fourth proportional to 988,953.63, 1,482,939.63 and 314,947.05 is: 472,264.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,953.63 : 1,482,939.63 = 314,947.05 : x
  2. Step 2: Convert to fraction form
    988,953.63/1,482,939.63 = 314,947.05/x
  3. Step 3: Cross multiply
    988,953.63x = 1,482,939.63 × 314,947.05
  4. Step 4: Simplify right side
    988,953.63x = 467,047,461,796.59
  5. Step 5: Solve for x
    x = 467,047,461,796.59/988,953.63
  6. Step 6: Final answer
    x = 472,264.27

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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.