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Finding the Fourth Proportional to 722,054.94, 995,830.47 and 463,973.90

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Solution

The fourth proportional to 722,054.94, 995,830.47 and 463,973.90 is: 639,895.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,054.94 : 995,830.47 = 463,973.90 : x
  2. Step 2: Convert to fraction form
    722,054.94/995,830.47 = 463,973.90/x
  3. Step 3: Cross multiply
    722,054.94x = 995,830.47 × 463,973.90
  4. Step 4: Simplify right side
    722,054.94x = 462,039,346,904.73
  5. Step 5: Solve for x
    x = 462,039,346,904.73/722,054.94
  6. Step 6: Final answer
    x = 639,895.00

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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.