Home / 744,199.65-1,115,413.34-518,337.63

Finding the Fourth Proportional to 744,199.65, 1,115,413.34 and 518,337.63

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Solution

The fourth proportional to 744,199.65, 1,115,413.34 and 518,337.63 is: 776,889.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,199.65 : 1,115,413.34 = 518,337.63 : x
  2. Step 2: Convert to fraction form
    744,199.65/1,115,413.34 = 518,337.63/x
  3. Step 3: Cross multiply
    744,199.65x = 1,115,413.34 × 518,337.63
  4. Step 4: Simplify right side
    744,199.65x = 578,160,704,534.30
  5. Step 5: Solve for x
    x = 578,160,704,534.30/744,199.65
  6. Step 6: Final answer
    x = 776,889.25

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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.