Home / 909,944.62-1,255,720.02-502,071.84

Finding the Fourth Proportional to 909,944.62, 1,255,720.02 and 502,071.84

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Solution

The fourth proportional to 909,944.62, 1,255,720.02 and 502,071.84 is: 692,857.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,944.62 : 1,255,720.02 = 502,071.84 : x
  2. Step 2: Convert to fraction form
    909,944.62/1,255,720.02 = 502,071.84/x
  3. Step 3: Cross multiply
    909,944.62x = 1,255,720.02 × 502,071.84
  4. Step 4: Simplify right side
    909,944.62x = 630,461,660,966.24
  5. Step 5: Solve for x
    x = 630,461,660,966.24/909,944.62
  6. Step 6: Final answer
    x = 692,857.18

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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.