Home / 906,027.52-1,249,290.72-578,908.32

Finding the Fourth Proportional to 906,027.52, 1,249,290.72 and 578,908.32

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Solution

The fourth proportional to 906,027.52, 1,249,290.72 and 578,908.32 is: 798,237.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,027.52 : 1,249,290.72 = 578,908.32 : x
  2. Step 2: Convert to fraction form
    906,027.52/1,249,290.72 = 578,908.32/x
  3. Step 3: Cross multiply
    906,027.52x = 1,249,290.72 × 578,908.32
  4. Step 4: Simplify right side
    906,027.52x = 723,224,791,906.79
  5. Step 5: Solve for x
    x = 723,224,791,906.79/906,027.52
  6. Step 6: Final answer
    x = 798,237.11

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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.