Home / 879,545.13-1,213,825.95-492,352.98

Finding the Fourth Proportional to 879,545.13, 1,213,825.95 and 492,352.98

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Solution

The fourth proportional to 879,545.13, 1,213,825.95 and 492,352.98 is: 679,477.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,545.13 : 1,213,825.95 = 492,352.98 : x
  2. Step 2: Convert to fraction form
    879,545.13/1,213,825.95 = 492,352.98/x
  3. Step 3: Cross multiply
    879,545.13x = 1,213,825.95 × 492,352.98
  4. Step 4: Simplify right side
    879,545.13x = 597,630,823,683.83
  5. Step 5: Solve for x
    x = 597,630,823,683.83/879,545.13
  6. Step 6: Final answer
    x = 679,477.16

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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.