Home / 941,323.40-1,411,985.10-310,257.80

Finding the Fourth Proportional to 941,323.40, 1,411,985.10 and 310,257.80

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Solution

The fourth proportional to 941,323.40, 1,411,985.10 and 310,257.80 is: 465,386.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,323.40 : 1,411,985.10 = 310,257.80 : x
  2. Step 2: Convert to fraction form
    941,323.40/1,411,985.10 = 310,257.80/x
  3. Step 3: Cross multiply
    941,323.40x = 1,411,985.10 × 310,257.80
  4. Step 4: Simplify right side
    941,323.40x = 438,079,390,758.78
  5. Step 5: Solve for x
    x = 438,079,390,758.78/941,323.40
  6. Step 6: Final answer
    x = 465,386.70

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Double scale
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Similar ratio
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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.