Home / 771,931.62-1,158,009.06-292,029.30

Finding the Fourth Proportional to 771,931.62, 1,158,009.06 and 292,029.30

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Solution

The fourth proportional to 771,931.62, 1,158,009.06 and 292,029.30 is: 438,086.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,931.62 : 1,158,009.06 = 292,029.30 : x
  2. Step 2: Convert to fraction form
    771,931.62/1,158,009.06 = 292,029.30/x
  3. Step 3: Cross multiply
    771,931.62x = 1,158,009.06 × 292,029.30
  4. Step 4: Simplify right side
    771,931.62x = 338,172,575,185.46
  5. Step 5: Solve for x
    x = 338,172,575,185.46/771,931.62
  6. Step 6: Final answer
    x = 438,086.18

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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.