Home / 745,314.48-1,116,342.24-576,390.60

Finding the Fourth Proportional to 745,314.48, 1,116,342.24 and 576,390.60

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Solution

The fourth proportional to 745,314.48, 1,116,342.24 and 576,390.60 is: 863,325.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,314.48 : 1,116,342.24 = 576,390.60 : x
  2. Step 2: Convert to fraction form
    745,314.48/1,116,342.24 = 576,390.60/x
  3. Step 3: Cross multiply
    745,314.48x = 1,116,342.24 × 576,390.60
  4. Step 4: Simplify right side
    745,314.48x = 643,449,173,518.94
  5. Step 5: Solve for x
    x = 643,449,173,518.94/745,314.48
  6. Step 6: Final answer
    x = 863,325.74

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Double scale
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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.