Home / 992,421.16-1,369,511.94-562,740.52

Finding the Fourth Proportional to 992,421.16, 1,369,511.94 and 562,740.52

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Solution

The fourth proportional to 992,421.16, 1,369,511.94 and 562,740.52 is: 776,565.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,421.16 : 1,369,511.94 = 562,740.52 : x
  2. Step 2: Convert to fraction form
    992,421.16/1,369,511.94 = 562,740.52/x
  3. Step 3: Cross multiply
    992,421.16x = 1,369,511.94 × 562,740.52
  4. Step 4: Simplify right side
    992,421.16x = 770,679,861,261.81
  5. Step 5: Solve for x
    x = 770,679,861,261.81/992,421.16
  6. Step 6: Final answer
    x = 776,565.33

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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.