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Finding the Fourth Proportional to 676,548.51, 933,637.35 and 370,636.01

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Solution

The fourth proportional to 676,548.51, 933,637.35 and 370,636.01 is: 511,477.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,548.51 : 933,637.35 = 370,636.01 : x
  2. Step 2: Convert to fraction form
    676,548.51/933,637.35 = 370,636.01/x
  3. Step 3: Cross multiply
    676,548.51x = 933,637.35 × 370,636.01
  4. Step 4: Simplify right side
    676,548.51x = 346,039,622,190.97
  5. Step 5: Solve for x
    x = 346,039,622,190.97/676,548.51
  6. Step 6: Final answer
    x = 511,477.92

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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.