Home / 909,595.80-1,255,247.46-501,712.20

Finding the Fourth Proportional to 909,595.80, 1,255,247.46 and 501,712.20

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Solution

The fourth proportional to 909,595.80, 1,255,247.46 and 501,712.20 is: 692,365.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,595.80 : 1,255,247.46 = 501,712.20 : x
  2. Step 2: Convert to fraction form
    909,595.80/1,255,247.46 = 501,712.20/x
  3. Step 3: Cross multiply
    909,595.80x = 1,255,247.46 × 501,712.20
  4. Step 4: Simplify right side
    909,595.80x = 629,772,964,701.01
  5. Step 5: Solve for x
    x = 629,772,964,701.01/909,595.80
  6. Step 6: Final answer
    x = 692,365.74

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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.