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Finding the Fourth Proportional to 691,403.89, 953,798.22 and 462,017.48

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Solution

The fourth proportional to 691,403.89, 953,798.22 and 462,017.48 is: 637,357.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,403.89 : 953,798.22 = 462,017.48 : x
  2. Step 2: Convert to fraction form
    691,403.89/953,798.22 = 462,017.48/x
  3. Step 3: Cross multiply
    691,403.89x = 953,798.22 × 462,017.48
  4. Step 4: Simplify right side
    691,403.89x = 440,671,450,032.89
  5. Step 5: Solve for x
    x = 440,671,450,032.89/691,403.89
  6. Step 6: Final answer
    x = 637,357.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.