Home / 476,385.63-657,412.77-258,594.15

Finding the Fourth Proportional to 476,385.63, 657,412.77 and 258,594.15

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Solution

The fourth proportional to 476,385.63, 657,412.77 and 258,594.15 is: 356,860.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,385.63 : 657,412.77 = 258,594.15 : x
  2. Step 2: Convert to fraction form
    476,385.63/657,412.77 = 258,594.15/x
  3. Step 3: Cross multiply
    476,385.63x = 657,412.77 × 258,594.15
  4. Step 4: Simplify right side
    476,385.63x = 170,003,096,457.30
  5. Step 5: Solve for x
    x = 170,003,096,457.30/476,385.63
  6. Step 6: Final answer
    x = 356,860.25

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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.