Home / 948,877.32-1,309,439.04-519,151.26

Finding the Fourth Proportional to 948,877.32, 1,309,439.04 and 519,151.26

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Solution

The fourth proportional to 948,877.32, 1,309,439.04 and 519,151.26 is: 716,422.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,877.32 : 1,309,439.04 = 519,151.26 : x
  2. Step 2: Convert to fraction form
    948,877.32/1,309,439.04 = 519,151.26/x
  3. Step 3: Cross multiply
    948,877.32x = 1,309,439.04 × 519,151.26
  4. Step 4: Simplify right side
    948,877.32x = 679,796,927,509.19
  5. Step 5: Solve for x
    x = 679,796,927,509.19/948,877.32
  6. Step 6: Final answer
    x = 716,422.36

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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.