Home / 948,673.42-1,309,168.88-518,953.43

Finding the Fourth Proportional to 948,673.42, 1,309,168.88 and 518,953.43

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Solution

The fourth proportional to 948,673.42, 1,309,168.88 and 518,953.43 is: 716,155.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,673.42 : 1,309,168.88 = 518,953.43 : x
  2. Step 2: Convert to fraction form
    948,673.42/1,309,168.88 = 518,953.43/x
  3. Step 3: Cross multiply
    948,673.42x = 1,309,168.88 × 518,953.43
  4. Step 4: Simplify right side
    948,673.42x = 679,397,683,349.49
  5. Step 5: Solve for x
    x = 679,397,683,349.49/948,673.42
  6. Step 6: Final answer
    x = 716,155.50

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1.5x scale

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.