Home / 559,335.20-771,878.63-304,686.38

Finding the Fourth Proportional to 559,335.20, 771,878.63 and 304,686.38

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Solution

The fourth proportional to 559,335.20, 771,878.63 and 304,686.38 is: 420,465.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,335.20 : 771,878.63 = 304,686.38 : x
  2. Step 2: Convert to fraction form
    559,335.20/771,878.63 = 304,686.38/x
  3. Step 3: Cross multiply
    559,335.20x = 771,878.63 × 304,686.38
  4. Step 4: Simplify right side
    559,335.20x = 235,180,908,265.47
  5. Step 5: Solve for x
    x = 235,180,908,265.47/559,335.20
  6. Step 6: Final answer
    x = 420,465.06

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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.