Home / 773,045.60-1,158,992.40-399,336.80

Finding the Fourth Proportional to 773,045.60, 1,158,992.40 and 399,336.80

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Solution

The fourth proportional to 773,045.60, 1,158,992.40 and 399,336.80 is: 598,707.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,045.60 : 1,158,992.40 = 399,336.80 : x
  2. Step 2: Convert to fraction form
    773,045.60/1,158,992.40 = 399,336.80/x
  3. Step 3: Cross multiply
    773,045.60x = 1,158,992.40 × 399,336.80
  4. Step 4: Simplify right side
    773,045.60x = 462,828,316,240.32
  5. Step 5: Solve for x
    x = 462,828,316,240.32/773,045.60
  6. Step 6: Final answer
    x = 598,707.65

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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.