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Finding the Fourth Proportional to 604,862.90, 907,622.40 and 249,912.80

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Solution

The fourth proportional to 604,862.90, 907,622.40 and 249,912.80 is: 375,004.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,862.90 : 907,622.40 = 249,912.80 : x
  2. Step 2: Convert to fraction form
    604,862.90/907,622.40 = 249,912.80/x
  3. Step 3: Cross multiply
    604,862.90x = 907,622.40 × 249,912.80
  4. Step 4: Simplify right side
    604,862.90x = 226,826,455,326.72
  5. Step 5: Solve for x
    x = 226,826,455,326.72/604,862.90
  6. Step 6: Final answer
    x = 375,004.74

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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.