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Finding the Fourth Proportional to 788,745.60, 1,180,396.80 and 473,428.80

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Solution

The fourth proportional to 788,745.60, 1,180,396.80 and 473,428.80 is: 708,509.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,745.60 : 1,180,396.80 = 473,428.80 : x
  2. Step 2: Convert to fraction form
    788,745.60/1,180,396.80 = 473,428.80/x
  3. Step 3: Cross multiply
    788,745.60x = 1,180,396.80 × 473,428.80
  4. Step 4: Simplify right side
    788,745.60x = 558,833,840,547.84
  5. Step 5: Solve for x
    x = 558,833,840,547.84/788,745.60
  6. Step 6: Final answer
    x = 708,509.61

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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.