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Finding the Fourth Proportional to 525,975.60, 788,963.40 and 302,026.80

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Solution

The fourth proportional to 525,975.60, 788,963.40 and 302,026.80 is: 453,040.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,975.60 : 788,963.40 = 302,026.80 : x
  2. Step 2: Convert to fraction form
    525,975.60/788,963.40 = 302,026.80/x
  3. Step 3: Cross multiply
    525,975.60x = 788,963.40 × 302,026.80
  4. Step 4: Simplify right side
    525,975.60x = 238,288,091,019.12
  5. Step 5: Solve for x
    x = 238,288,091,019.12/525,975.60
  6. Step 6: Final answer
    x = 453,040.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.