Home / 909,888.82-1,255,650.81-501,995.62

Finding the Fourth Proportional to 909,888.82, 1,255,650.81 and 501,995.62

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Solution

The fourth proportional to 909,888.82, 1,255,650.81 and 501,995.62 is: 692,756.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,888.82 : 1,255,650.81 = 501,995.62 : x
  2. Step 2: Convert to fraction form
    909,888.82/1,255,650.81 = 501,995.62/x
  3. Step 3: Cross multiply
    909,888.82x = 1,255,650.81 × 501,995.62
  4. Step 4: Simplify right side
    909,888.82x = 630,331,206,869.45
  5. Step 5: Solve for x
    x = 630,331,206,869.45/909,888.82
  6. Step 6: Final answer
    x = 692,756.29

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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.