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Finding the Fourth Proportional to 604,908.74, 907,781.38 and 249,925.84

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Solution

The fourth proportional to 604,908.74, 907,781.38 and 249,925.84 is: 375,061.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,908.74 : 907,781.38 = 249,925.84 : x
  2. Step 2: Convert to fraction form
    604,908.74/907,781.38 = 249,925.84/x
  3. Step 3: Cross multiply
    604,908.74x = 907,781.38 × 249,925.84
  4. Step 4: Simplify right side
    604,908.74x = 226,878,021,038.59
  5. Step 5: Solve for x
    x = 226,878,021,038.59/604,908.74
  6. Step 6: Final answer
    x = 375,061.57

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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.