Home / 758,946.24-1,047,283.02-419,413.68

Finding the Fourth Proportional to 758,946.24, 1,047,283.02 and 419,413.68

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Solution

The fourth proportional to 758,946.24, 1,047,283.02 and 419,413.68 is: 578,756.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,946.24 : 1,047,283.02 = 419,413.68 : x
  2. Step 2: Convert to fraction form
    758,946.24/1,047,283.02 = 419,413.68/x
  3. Step 3: Cross multiply
    758,946.24x = 1,047,283.02 × 419,413.68
  4. Step 4: Simplify right side
    758,946.24x = 439,244,825,419.71
  5. Step 5: Solve for x
    x = 439,244,825,419.71/758,946.24
  6. Step 6: Final answer
    x = 578,756.18

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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.