Home / 909,437.99-1,255,032.29-501,554.39

Finding the Fourth Proportional to 909,437.99, 1,255,032.29 and 501,554.39

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Solution

The fourth proportional to 909,437.99, 1,255,032.29 and 501,554.39 is: 692,149.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,437.99 : 1,255,032.29 = 501,554.39 : x
  2. Step 2: Convert to fraction form
    909,437.99/1,255,032.29 = 501,554.39/x
  3. Step 3: Cross multiply
    909,437.99x = 1,255,032.29 × 501,554.39
  4. Step 4: Simplify right side
    909,437.99x = 629,466,949,619.98
  5. Step 5: Solve for x
    x = 629,466,949,619.98/909,437.99
  6. Step 6: Final answer
    x = 692,149.39

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1.5x scale

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.