Home / 743,347.02-1,025,813.24-403,817.70

Finding the Fourth Proportional to 743,347.02, 1,025,813.24 and 403,817.70

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Solution

The fourth proportional to 743,347.02, 1,025,813.24 and 403,817.70 is: 557,265.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,347.02 : 1,025,813.24 = 403,817.70 : x
  2. Step 2: Convert to fraction form
    743,347.02/1,025,813.24 = 403,817.70/x
  3. Step 3: Cross multiply
    743,347.02x = 1,025,813.24 × 403,817.70
  4. Step 4: Simplify right side
    743,347.02x = 414,241,543,206.35
  5. Step 5: Solve for x
    x = 414,241,543,206.35/743,347.02
  6. Step 6: Final answer
    x = 557,265.36

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1.5x scale

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.