Home / 612,566.40-845,322.43-340,627.07

Finding the Fourth Proportional to 612,566.40, 845,322.43 and 340,627.07

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Solution

The fourth proportional to 612,566.40, 845,322.43 and 340,627.07 is: 470,054.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,566.40 : 845,322.43 = 340,627.07 : x
  2. Step 2: Convert to fraction form
    612,566.40/845,322.43 = 340,627.07/x
  3. Step 3: Cross multiply
    612,566.40x = 845,322.43 × 340,627.07
  4. Step 4: Simplify right side
    612,566.40x = 287,939,704,436.59
  5. Step 5: Solve for x
    x = 287,939,704,436.59/612,566.40
  6. Step 6: Final answer
    x = 470,054.68

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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.