Home / 739,482.01-1,020,485.27-399,950.26

Finding the Fourth Proportional to 739,482.01, 1,020,485.27 and 399,950.26

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Solution

The fourth proportional to 739,482.01, 1,020,485.27 and 399,950.26 is: 551,931.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,482.01 : 1,020,485.27 = 399,950.26 : x
  2. Step 2: Convert to fraction form
    739,482.01/1,020,485.27 = 399,950.26/x
  3. Step 3: Cross multiply
    739,482.01x = 1,020,485.27 × 399,950.26
  4. Step 4: Simplify right side
    739,482.01x = 408,143,349,062.67
  5. Step 5: Solve for x
    x = 408,143,349,062.67/739,482.01
  6. Step 6: Final answer
    x = 551,931.41

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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.