Home / 698,308.64-1,047,530.64-277,490.24

Finding the Fourth Proportional to 698,308.64, 1,047,530.64 and 277,490.24

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Solution

The fourth proportional to 698,308.64, 1,047,530.64 and 277,490.24 is: 416,262.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,308.64 : 1,047,530.64 = 277,490.24 : x
  2. Step 2: Convert to fraction form
    698,308.64/1,047,530.64 = 277,490.24/x
  3. Step 3: Cross multiply
    698,308.64x = 1,047,530.64 × 277,490.24
  4. Step 4: Simplify right side
    698,308.64x = 290,679,528,700.95
  5. Step 5: Solve for x
    x = 290,679,528,700.95/698,308.64
  6. Step 6: Final answer
    x = 416,262.25

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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.