Home / 558,720.38-771,019.35-304,066.10

Finding the Fourth Proportional to 558,720.38, 771,019.35 and 304,066.10

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Solution

The fourth proportional to 558,720.38, 771,019.35 and 304,066.10 is: 419,603.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,720.38 : 771,019.35 = 304,066.10 : x
  2. Step 2: Convert to fraction form
    558,720.38/771,019.35 = 304,066.10/x
  3. Step 3: Cross multiply
    558,720.38x = 771,019.35 × 304,066.10
  4. Step 4: Simplify right side
    558,720.38x = 234,440,846,779.04
  5. Step 5: Solve for x
    x = 234,440,846,779.04/558,720.38
  6. Step 6: Final answer
    x = 419,603.18

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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.