Home / 909,985.23-1,255,786.35-502,102.22

Finding the Fourth Proportional to 909,985.23, 1,255,786.35 and 502,102.22

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Solution

The fourth proportional to 909,985.23, 1,255,786.35 and 502,102.22 is: 692,904.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,985.23 : 1,255,786.35 = 502,102.22 : x
  2. Step 2: Convert to fraction form
    909,985.23/1,255,786.35 = 502,102.22/x
  3. Step 3: Cross multiply
    909,985.23x = 1,255,786.35 × 502,102.22
  4. Step 4: Simplify right side
    909,985.23x = 630,533,106,018.88
  5. Step 5: Solve for x
    x = 630,533,106,018.88/909,985.23
  6. Step 6: Final answer
    x = 692,904.77

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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.