Home / 909,496.40-1,364,244.60-310,477.10

Finding the Fourth Proportional to 909,496.40, 1,364,244.60 and 310,477.10

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Solution

The fourth proportional to 909,496.40, 1,364,244.60 and 310,477.10 is: 465,715.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,496.40 : 1,364,244.60 = 310,477.10 : x
  2. Step 2: Convert to fraction form
    909,496.40/1,364,244.60 = 310,477.10/x
  3. Step 3: Cross multiply
    909,496.40x = 1,364,244.60 × 310,477.10
  4. Step 4: Simplify right side
    909,496.40x = 423,566,707,098.66
  5. Step 5: Solve for x
    x = 423,566,707,098.66/909,496.40
  6. Step 6: Final answer
    x = 465,715.65

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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.