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Finding the Fourth Proportional to 556,673.06, 768,208.88 and 302,024.28

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Solution

The fourth proportional to 556,673.06, 768,208.88 and 302,024.28 is: 416,793.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,673.06 : 768,208.88 = 302,024.28 : x
  2. Step 2: Convert to fraction form
    556,673.06/768,208.88 = 302,024.28/x
  3. Step 3: Cross multiply
    556,673.06x = 768,208.88 × 302,024.28
  4. Step 4: Simplify right side
    556,673.06x = 232,017,733,871.61
  5. Step 5: Solve for x
    x = 232,017,733,871.61/556,673.06
  6. Step 6: Final answer
    x = 416,793.54

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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.