Home / 788,425.75-1,088,027.67-430,729.75

Finding the Fourth Proportional to 788,425.75, 1,088,027.67 and 430,729.75

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Solution

The fourth proportional to 788,425.75, 1,088,027.67 and 430,729.75 is: 594,407.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,425.75 : 1,088,027.67 = 430,729.75 : x
  2. Step 2: Convert to fraction form
    788,425.75/1,088,027.67 = 430,729.75/x
  3. Step 3: Cross multiply
    788,425.75x = 1,088,027.67 × 430,729.75
  4. Step 4: Simplify right side
    788,425.75x = 468,645,886,292.18
  5. Step 5: Solve for x
    x = 468,645,886,292.18/788,425.75
  6. Step 6: Final answer
    x = 594,407.13

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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.