Home / 724,175.08-999,362.16-401,885.40

Finding the Fourth Proportional to 724,175.08, 999,362.16 and 401,885.40

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Solution

The fourth proportional to 724,175.08, 999,362.16 and 401,885.40 is: 554,602.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,175.08 : 999,362.16 = 401,885.40 : x
  2. Step 2: Convert to fraction form
    724,175.08/999,362.16 = 401,885.40/x
  3. Step 3: Cross multiply
    724,175.08x = 999,362.16 × 401,885.40
  4. Step 4: Simplify right side
    724,175.08x = 401,629,061,416.46
  5. Step 5: Solve for x
    x = 401,629,061,416.46/724,175.08
  6. Step 6: Final answer
    x = 554,602.16

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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.