Home / 788,812.55-1,088,647.81-457,741.41

Finding the Fourth Proportional to 788,812.55, 1,088,647.81 and 457,741.41

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Solution

The fourth proportional to 788,812.55, 1,088,647.81 and 457,741.41 is: 631,733.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,812.55 : 1,088,647.81 = 457,741.41 : x
  2. Step 2: Convert to fraction form
    788,812.55/1,088,647.81 = 457,741.41/x
  3. Step 3: Cross multiply
    788,812.55x = 1,088,647.81 × 457,741.41
  4. Step 4: Simplify right side
    788,812.55x = 498,319,182,970.64
  5. Step 5: Solve for x
    x = 498,319,182,970.64/788,812.55
  6. Step 6: Final answer
    x = 631,733.34

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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.