Home / 739,485.96-1,020,496.32-433,570.20

Finding the Fourth Proportional to 739,485.96, 1,020,496.32 and 433,570.20

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Solution

The fourth proportional to 739,485.96, 1,020,496.32 and 433,570.20 is: 598,330.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,485.96 : 1,020,496.32 = 433,570.20 : x
  2. Step 2: Convert to fraction form
    739,485.96/1,020,496.32 = 433,570.20/x
  3. Step 3: Cross multiply
    739,485.96x = 1,020,496.32 × 433,570.20
  4. Step 4: Simplify right side
    739,485.96x = 442,456,793,561.66
  5. Step 5: Solve for x
    x = 442,456,793,561.66/739,485.96
  6. Step 6: Final answer
    x = 598,330.22

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Double scale
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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.