Home / 695,643.60-1,043,465.40-537,985.20

Finding the Fourth Proportional to 695,643.60, 1,043,465.40 and 537,985.20

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Solution

The fourth proportional to 695,643.60, 1,043,465.40 and 537,985.20 is: 806,977.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,643.60 : 1,043,465.40 = 537,985.20 : x
  2. Step 2: Convert to fraction form
    695,643.60/1,043,465.40 = 537,985.20/x
  3. Step 3: Cross multiply
    695,643.60x = 1,043,465.40 × 537,985.20
  4. Step 4: Simplify right side
    695,643.60x = 561,368,941,912.08
  5. Step 5: Solve for x
    x = 561,368,941,912.08/695,643.60
  6. Step 6: Final answer
    x = 806,977.80

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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.