Home / 985,603.28-1,359,875.48-577,485.84

Finding the Fourth Proportional to 985,603.28, 1,359,875.48 and 577,485.84

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Solution

The fourth proportional to 985,603.28, 1,359,875.48 and 577,485.84 is: 796,779.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,603.28 : 1,359,875.48 = 577,485.84 : x
  2. Step 2: Convert to fraction form
    985,603.28/1,359,875.48 = 577,485.84/x
  3. Step 3: Cross multiply
    985,603.28x = 1,359,875.48 × 577,485.84
  4. Step 4: Simplify right side
    985,603.28x = 785,308,833,863.20
  5. Step 5: Solve for x
    x = 785,308,833,863.20/985,603.28
  6. Step 6: Final answer
    x = 796,779.85

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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.