Home / 906,940.80-1,359,518.40-507,772.80

Finding the Fourth Proportional to 906,940.80, 1,359,518.40 and 507,772.80

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Solution

The fourth proportional to 906,940.80, 1,359,518.40 and 507,772.80 is: 761,159.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,940.80 : 1,359,518.40 = 507,772.80 : x
  2. Step 2: Convert to fraction form
    906,940.80/1,359,518.40 = 507,772.80/x
  3. Step 3: Cross multiply
    906,940.80x = 1,359,518.40 × 507,772.80
  4. Step 4: Simplify right side
    906,940.80x = 690,326,464,619.52
  5. Step 5: Solve for x
    x = 690,326,464,619.52/906,940.80
  6. Step 6: Final answer
    x = 761,159.34

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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.