Home / 909,888.32-1,255,650.12-501,995.12

Finding the Fourth Proportional to 909,888.32, 1,255,650.12 and 501,995.12

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Solution

The fourth proportional to 909,888.32, 1,255,650.12 and 501,995.12 is: 692,755.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,888.32 : 1,255,650.12 = 501,995.12 : x
  2. Step 2: Convert to fraction form
    909,888.32/1,255,650.12 = 501,995.12/x
  3. Step 3: Cross multiply
    909,888.32x = 1,255,650.12 × 501,995.12
  4. Step 4: Simplify right side
    909,888.32x = 630,330,232,667.41
  5. Step 5: Solve for x
    x = 630,330,232,667.41/909,888.32
  6. Step 6: Final answer
    x = 692,755.60

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Double scale
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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.