Home / 940,612.88-1,298,055.30-510,901.40

Finding the Fourth Proportional to 940,612.88, 1,298,055.30 and 510,901.40

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Solution

The fourth proportional to 940,612.88, 1,298,055.30 and 510,901.40 is: 705,049.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,612.88 : 1,298,055.30 = 510,901.40 : x
  2. Step 2: Convert to fraction form
    940,612.88/1,298,055.30 = 510,901.40/x
  3. Step 3: Cross multiply
    940,612.88x = 1,298,055.30 × 510,901.40
  4. Step 4: Simplify right side
    940,612.88x = 663,178,270,047.42
  5. Step 5: Solve for x
    x = 663,178,270,047.42/940,612.88
  6. Step 6: Final answer
    x = 705,049.11

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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.