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Finding the Fourth Proportional to 601,931.10, 830,663.02 and 330,010.32

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Solution

The fourth proportional to 601,931.10, 830,663.02 and 330,010.32 is: 455,413.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,931.10 : 830,663.02 = 330,010.32 : x
  2. Step 2: Convert to fraction form
    601,931.10/830,663.02 = 330,010.32/x
  3. Step 3: Cross multiply
    601,931.10x = 830,663.02 × 330,010.32
  4. Step 4: Simplify right side
    601,931.10x = 274,127,369,042.37
  5. Step 5: Solve for x
    x = 274,127,369,042.37/601,931.10
  6. Step 6: Final answer
    x = 455,413.20

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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.