Home / 676,054.20-932,965.80-370,125.42

Finding the Fourth Proportional to 676,054.20, 932,965.80 and 370,125.42

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Solution

The fourth proportional to 676,054.20, 932,965.80 and 370,125.42 is: 510,779.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,054.20 : 932,965.80 = 370,125.42 : x
  2. Step 2: Convert to fraction form
    676,054.20/932,965.80 = 370,125.42/x
  3. Step 3: Cross multiply
    676,054.20x = 932,965.80 × 370,125.42
  4. Step 4: Simplify right side
    676,054.20x = 345,314,358,570.64
  5. Step 5: Solve for x
    x = 345,314,358,570.64/676,054.20
  6. Step 6: Final answer
    x = 510,779.10

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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.