Home / 909,886.32-1,255,647.36-501,993.12

Finding the Fourth Proportional to 909,886.32, 1,255,647.36 and 501,993.12

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Solution

The fourth proportional to 909,886.32, 1,255,647.36 and 501,993.12 is: 692,752.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,886.32 : 1,255,647.36 = 501,993.12 : x
  2. Step 2: Convert to fraction form
    909,886.32/1,255,647.36 = 501,993.12/x
  3. Step 3: Cross multiply
    909,886.32x = 1,255,647.36 × 501,993.12
  4. Step 4: Simplify right side
    909,886.32x = 630,326,335,866.16
  5. Step 5: Solve for x
    x = 630,326,335,866.16/909,886.32
  6. Step 6: Final answer
    x = 692,752.84

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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.