Home / 1,078,374.16-1,617,502.88-330,422.32

Finding the Fourth Proportional to 1,078,374.16, 1,617,502.88 and 330,422.32

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Solution

The fourth proportional to 1,078,374.16, 1,617,502.88 and 330,422.32 is: 495,615.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,374.16 : 1,617,502.88 = 330,422.32 : x
  2. Step 2: Convert to fraction form
    1,078,374.16/1,617,502.88 = 330,422.32/x
  3. Step 3: Cross multiply
    1,078,374.16x = 1,617,502.88 × 330,422.32
  4. Step 4: Simplify right side
    1,078,374.16x = 534,459,054,216.28
  5. Step 5: Solve for x
    x = 534,459,054,216.28/1,078,374.16
  6. Step 6: Final answer
    x = 495,615.60

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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.