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Finding the Fourth Proportional to 404,484.60, 607,601.70 and 286,386.60

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Solution

The fourth proportional to 404,484.60, 607,601.70 and 286,386.60 is: 430,199.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,484.60 : 607,601.70 = 286,386.60 : x
  2. Step 2: Convert to fraction form
    404,484.60/607,601.70 = 286,386.60/x
  3. Step 3: Cross multiply
    404,484.60x = 607,601.70 × 286,386.60
  4. Step 4: Simplify right side
    404,484.60x = 174,008,985,017.22
  5. Step 5: Solve for x
    x = 174,008,985,017.22/404,484.60
  6. Step 6: Final answer
    x = 430,199.28

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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.