Home / 788,812.53-1,088,647.79-457,741.40

Finding the Fourth Proportional to 788,812.53, 1,088,647.79 and 457,741.40

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Solution

The fourth proportional to 788,812.53, 1,088,647.79 and 457,741.40 is: 631,733.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,812.53 : 1,088,647.79 = 457,741.40 : x
  2. Step 2: Convert to fraction form
    788,812.53/1,088,647.79 = 457,741.40/x
  3. Step 3: Cross multiply
    788,812.53x = 1,088,647.79 × 457,741.40
  4. Step 4: Simplify right side
    788,812.53x = 498,319,158,058.27
  5. Step 5: Solve for x
    x = 498,319,158,058.27/788,812.53
  6. Step 6: Final answer
    x = 631,733.32

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Double scale
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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.