Home / 907,283.60-1,361,443.80-346,720.40

Finding the Fourth Proportional to 907,283.60, 1,361,443.80 and 346,720.40

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Solution

The fourth proportional to 907,283.60, 1,361,443.80 and 346,720.40 is: 520,278.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,283.60 : 1,361,443.80 = 346,720.40 : x
  2. Step 2: Convert to fraction form
    907,283.60/1,361,443.80 = 346,720.40/x
  3. Step 3: Cross multiply
    907,283.60x = 1,361,443.80 × 346,720.40
  4. Step 4: Simplify right side
    907,283.60x = 472,040,338,913.52
  5. Step 5: Solve for x
    x = 472,040,338,913.52/907,283.60
  6. Step 6: Final answer
    x = 520,278.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.