Home / 438,284.16-604,869.12-247,305.60

Finding the Fourth Proportional to 438,284.16, 604,869.12 and 247,305.60

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Solution

The fourth proportional to 438,284.16, 604,869.12 and 247,305.60 is: 341,302.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,284.16 : 604,869.12 = 247,305.60 : x
  2. Step 2: Convert to fraction form
    438,284.16/604,869.12 = 247,305.60/x
  3. Step 3: Cross multiply
    438,284.16x = 604,869.12 × 247,305.60
  4. Step 4: Simplify right side
    438,284.16x = 149,587,520,643.07
  5. Step 5: Solve for x
    x = 149,587,520,643.07/438,284.16
  6. Step 6: Final answer
    x = 341,302.59

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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.