Home / 985,603.27-1,359,875.48-577,485.83

Finding the Fourth Proportional to 985,603.27, 1,359,875.48 and 577,485.83

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Solution

The fourth proportional to 985,603.27, 1,359,875.48 and 577,485.83 is: 796,779.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,603.27 : 1,359,875.48 = 577,485.83 : x
  2. Step 2: Convert to fraction form
    985,603.27/1,359,875.48 = 577,485.83/x
  3. Step 3: Cross multiply
    985,603.27x = 1,359,875.48 × 577,485.83
  4. Step 4: Simplify right side
    985,603.27x = 785,308,820,264.45
  5. Step 5: Solve for x
    x = 785,308,820,264.45/985,603.27
  6. Step 6: Final answer
    x = 796,779.84

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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.