Home / 909,594.80-1,255,246.08-501,711.20

Finding the Fourth Proportional to 909,594.80, 1,255,246.08 and 501,711.20

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Solution

The fourth proportional to 909,594.80, 1,255,246.08 and 501,711.20 is: 692,364.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,594.80 : 1,255,246.08 = 501,711.20 : x
  2. Step 2: Convert to fraction form
    909,594.80/1,255,246.08 = 501,711.20/x
  3. Step 3: Cross multiply
    909,594.80x = 1,255,246.08 × 501,711.20
  4. Step 4: Simplify right side
    909,594.80x = 629,771,017,092.10
  5. Step 5: Solve for x
    x = 629,771,017,092.10/909,594.80
  6. Step 6: Final answer
    x = 692,364.36

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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.