Home / 900,414.36-1,349,921.16-450,904.32

Finding the Fourth Proportional to 900,414.36, 1,349,921.16 and 450,904.32

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Solution

The fourth proportional to 900,414.36, 1,349,921.16 and 450,904.32 is: 676,005.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,414.36 : 1,349,921.16 = 450,904.32 : x
  2. Step 2: Convert to fraction form
    900,414.36/1,349,921.16 = 450,904.32/x
  3. Step 3: Cross multiply
    900,414.36x = 1,349,921.16 × 450,904.32
  4. Step 4: Simplify right side
    900,414.36x = 608,685,282,703.41
  5. Step 5: Solve for x
    x = 608,685,282,703.41/900,414.36
  6. Step 6: Final answer
    x = 676,005.75

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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.