Home / 478,848.16-660,798.30-263,983.24

Finding the Fourth Proportional to 478,848.16, 660,798.30 and 263,983.24

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Solution

The fourth proportional to 478,848.16, 660,798.30 and 263,983.24 is: 364,290.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,848.16 : 660,798.30 = 263,983.24 : x
  2. Step 2: Convert to fraction form
    478,848.16/660,798.30 = 263,983.24/x
  3. Step 3: Cross multiply
    478,848.16x = 660,798.30 × 263,983.24
  4. Step 4: Simplify right side
    478,848.16x = 174,439,676,220.49
  5. Step 5: Solve for x
    x = 174,439,676,220.49/478,848.16
  6. Step 6: Final answer
    x = 364,290.17

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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.