Home / 816,960.02-1,127,325.86-472,727.30

Finding the Fourth Proportional to 816,960.02, 1,127,325.86 and 472,727.30

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Solution

The fourth proportional to 816,960.02, 1,127,325.86 and 472,727.30 is: 652,317.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,960.02 : 1,127,325.86 = 472,727.30 : x
  2. Step 2: Convert to fraction form
    816,960.02/1,127,325.86 = 472,727.30/x
  3. Step 3: Cross multiply
    816,960.02x = 1,127,325.86 × 472,727.30
  4. Step 4: Simplify right side
    816,960.02x = 532,917,710,017.98
  5. Step 5: Solve for x
    x = 532,917,710,017.98/816,960.02
  6. Step 6: Final answer
    x = 652,317.98

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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.