Home / 403,331.80-604,997.70-308,853.40

Finding the Fourth Proportional to 403,331.80, 604,997.70 and 308,853.40

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Solution

The fourth proportional to 403,331.80, 604,997.70 and 308,853.40 is: 463,280.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,331.80 : 604,997.70 = 308,853.40 : x
  2. Step 2: Convert to fraction form
    403,331.80/604,997.70 = 308,853.40/x
  3. Step 3: Cross multiply
    403,331.80x = 604,997.70 × 308,853.40
  4. Step 4: Simplify right side
    403,331.80x = 186,855,596,637.18
  5. Step 5: Solve for x
    x = 186,855,596,637.18/403,331.80
  6. Step 6: Final answer
    x = 463,280.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.