Home / 476,698.30-657,848.40-258,911.23

Finding the Fourth Proportional to 476,698.30, 657,848.40 and 258,911.23

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Solution

The fourth proportional to 476,698.30, 657,848.40 and 258,911.23 is: 357,300.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,698.30 : 657,848.40 = 258,911.23 : x
  2. Step 2: Convert to fraction form
    476,698.30/657,848.40 = 258,911.23/x
  3. Step 3: Cross multiply
    476,698.30x = 657,848.40 × 258,911.23
  4. Step 4: Simplify right side
    476,698.30x = 170,324,338,397.53
  5. Step 5: Solve for x
    x = 170,324,338,397.53/476,698.30
  6. Step 6: Final answer
    x = 357,300.08

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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.