Home / 949,547.18-1,310,375.07-519,827.31

Finding the Fourth Proportional to 949,547.18, 1,310,375.07 and 519,827.31

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Solution

The fourth proportional to 949,547.18, 1,310,375.07 and 519,827.31 is: 717,361.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,547.18 : 1,310,375.07 = 519,827.31 : x
  2. Step 2: Convert to fraction form
    949,547.18/1,310,375.07 = 519,827.31/x
  3. Step 3: Cross multiply
    949,547.18x = 1,310,375.07 × 519,827.31
  4. Step 4: Simplify right side
    949,547.18x = 681,168,747,729.16
  5. Step 5: Solve for x
    x = 681,168,747,729.16/949,547.18
  6. Step 6: Final answer
    x = 717,361.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.