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Finding the Fourth Proportional to 524,669.60, 788,559.60 and 456,240.80

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Solution

The fourth proportional to 524,669.60, 788,559.60 and 456,240.80 is: 685,713.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,669.60 : 788,559.60 = 456,240.80 : x
  2. Step 2: Convert to fraction form
    524,669.60/788,559.60 = 456,240.80/x
  3. Step 3: Cross multiply
    524,669.60x = 788,559.60 × 456,240.80
  4. Step 4: Simplify right side
    524,669.60x = 359,773,062,751.68
  5. Step 5: Solve for x
    x = 359,773,062,751.68/524,669.60
  6. Step 6: Final answer
    x = 685,713.57

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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.