Home / 788,813.60-1,181,665.20-472,330.40

Finding the Fourth Proportional to 788,813.60, 1,181,665.20 and 472,330.40

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Solution

The fourth proportional to 788,813.60, 1,181,665.20 and 472,330.40 is: 707,564.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,813.60 : 1,181,665.20 = 472,330.40 : x
  2. Step 2: Convert to fraction form
    788,813.60/1,181,665.20 = 472,330.40/x
  3. Step 3: Cross multiply
    788,813.60x = 1,181,665.20 × 472,330.40
  4. Step 4: Simplify right side
    788,813.60x = 558,136,396,582.08
  5. Step 5: Solve for x
    x = 558,136,396,582.08/788,813.60
  6. Step 6: Final answer
    x = 707,564.37

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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.