Home / 931,810.34-1,397,484.66-399,270.98

Finding the Fourth Proportional to 931,810.34, 1,397,484.66 and 399,270.98

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Solution

The fourth proportional to 931,810.34, 1,397,484.66 and 399,270.98 is: 598,807.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,810.34 : 1,397,484.66 = 399,270.98 : x
  2. Step 2: Convert to fraction form
    931,810.34/1,397,484.66 = 399,270.98/x
  3. Step 3: Cross multiply
    931,810.34x = 1,397,484.66 × 399,270.98
  4. Step 4: Simplify right side
    931,810.34x = 557,975,069,733.17
  5. Step 5: Solve for x
    x = 557,975,069,733.17/931,810.34
  6. Step 6: Final answer
    x = 598,807.55

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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.