Home / 476,623.38-657,737.72-258,830.15

Finding the Fourth Proportional to 476,623.38, 657,737.72 and 258,830.15

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Solution

The fourth proportional to 476,623.38, 657,737.72 and 258,830.15 is: 357,184.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,623.38 : 657,737.72 = 258,830.15 : x
  2. Step 2: Convert to fraction form
    476,623.38/657,737.72 = 258,830.15/x
  3. Step 3: Cross multiply
    476,623.38x = 657,737.72 × 258,830.15
  4. Step 4: Simplify right side
    476,623.38x = 170,242,353,543.77
  5. Step 5: Solve for x
    x = 170,242,353,543.77/476,623.38
  6. Step 6: Final answer
    x = 357,184.23

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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.