Home / 913,547.92-1,370,413.40-314,429.80

Finding the Fourth Proportional to 913,547.92, 1,370,413.40 and 314,429.80

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Solution

The fourth proportional to 913,547.92, 1,370,413.40 and 314,429.80 is: 471,676.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,547.92 : 1,370,413.40 = 314,429.80 : x
  2. Step 2: Convert to fraction form
    913,547.92/1,370,413.40 = 314,429.80/x
  3. Step 3: Cross multiply
    913,547.92x = 1,370,413.40 × 314,429.80
  4. Step 4: Simplify right side
    913,547.92x = 430,898,811,279.32
  5. Step 5: Solve for x
    x = 430,898,811,279.32/913,547.92
  6. Step 6: Final answer
    x = 471,676.20

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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.