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Finding the Fourth Proportional to 602,511.36, 903,608.64 and 286,339.20

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Solution

The fourth proportional to 602,511.36, 903,608.64 and 286,339.20 is: 429,433.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,511.36 : 903,608.64 = 286,339.20 : x
  2. Step 2: Convert to fraction form
    602,511.36/903,608.64 = 286,339.20/x
  3. Step 3: Cross multiply
    602,511.36x = 903,608.64 × 286,339.20
  4. Step 4: Simplify right side
    602,511.36x = 258,738,575,090.69
  5. Step 5: Solve for x
    x = 258,738,575,090.69/602,511.36
  6. Step 6: Final answer
    x = 429,433.52

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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.