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Finding the Fourth Proportional to 973,400.40, 1,343,345.04 and 543,690

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Solution

The fourth proportional to 973,400.40, 1,343,345.04 and 543,690 is: 750,321.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    973,400.40 : 1,343,345.04 = 543,690 : x
  2. Step 2: Convert to fraction form
    973,400.40/1,343,345.04 = 543,690/x
  3. Step 3: Cross multiply
    973,400.40x = 1,343,345.04 × 543,690
  4. Step 4: Simplify right side
    973,400.40x = 730,363,264,797.60
  5. Step 5: Solve for x
    x = 730,363,264,797.60/973,400.40
  6. Step 6: Final answer
    x = 750,321.52

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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.