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Finding the Fourth Proportional to 657,068.22, 906,752.88 and 370,587.42

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Solution

The fourth proportional to 657,068.22, 906,752.88 and 370,587.42 is: 511,409.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,068.22 : 906,752.88 = 370,587.42 : x
  2. Step 2: Convert to fraction form
    657,068.22/906,752.88 = 370,587.42/x
  3. Step 3: Cross multiply
    657,068.22x = 906,752.88 × 370,587.42
  4. Step 4: Simplify right side
    657,068.22x = 336,031,210,376.77
  5. Step 5: Solve for x
    x = 336,031,210,376.77/657,068.22
  6. Step 6: Final answer
    x = 511,409.93

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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.