Home / 772,392.68-1,158,430.64-292,454.93

Finding the Fourth Proportional to 772,392.68, 1,158,430.64 and 292,454.93

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Solution

The fourth proportional to 772,392.68, 1,158,430.64 and 292,454.93 is: 438,622.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,392.68 : 1,158,430.64 = 292,454.93 : x
  2. Step 2: Convert to fraction form
    772,392.68/1,158,430.64 = 292,454.93/x
  3. Step 3: Cross multiply
    772,392.68x = 1,158,430.64 × 292,454.93
  4. Step 4: Simplify right side
    772,392.68x = 338,788,748,293.74
  5. Step 5: Solve for x
    x = 338,788,748,293.74/772,392.68
  6. Step 6: Final answer
    x = 438,622.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.