Home / 788,681.80-1,183,508.70-315,317.80

Finding the Fourth Proportional to 788,681.80, 1,183,508.70 and 315,317.80

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Solution

The fourth proportional to 788,681.80, 1,183,508.70 and 315,317.80 is: 473,171.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,681.80 : 1,183,508.70 = 315,317.80 : x
  2. Step 2: Convert to fraction form
    788,681.80/1,183,508.70 = 315,317.80/x
  3. Step 3: Cross multiply
    788,681.80x = 1,183,508.70 × 315,317.80
  4. Step 4: Simplify right side
    788,681.80x = 373,181,359,564.86
  5. Step 5: Solve for x
    x = 373,181,359,564.86/788,681.80
  6. Step 6: Final answer
    x = 473,171.00

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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.