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Finding the Fourth Proportional to 604,806.40, 907,209.60 and 249,637.60

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Solution

The fourth proportional to 604,806.40, 907,209.60 and 249,637.60 is: 374,456.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,806.40 : 907,209.60 = 249,637.60 : x
  2. Step 2: Convert to fraction form
    604,806.40/907,209.60 = 249,637.60/x
  3. Step 3: Cross multiply
    604,806.40x = 907,209.60 × 249,637.60
  4. Step 4: Simplify right side
    604,806.40x = 226,473,627,240.96
  5. Step 5: Solve for x
    x = 226,473,627,240.96/604,806.40
  6. Step 6: Final answer
    x = 374,456.40

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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.