Home / 905,425.10-1,249,413.50-523,476.50

Finding the Fourth Proportional to 905,425.10, 1,249,413.50 and 523,476.50

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Solution

The fourth proportional to 905,425.10, 1,249,413.50 and 523,476.50 is: 722,355.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,425.10 : 1,249,413.50 = 523,476.50 : x
  2. Step 2: Convert to fraction form
    905,425.10/1,249,413.50 = 523,476.50/x
  3. Step 3: Cross multiply
    905,425.10x = 1,249,413.50 × 523,476.50
  4. Step 4: Simplify right side
    905,425.10x = 654,038,606,032.75
  5. Step 5: Solve for x
    x = 654,038,606,032.75/905,425.10
  6. Step 6: Final answer
    x = 722,355.28

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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.