Home / 947,509.56-1,307,580.30-517,807.80

Finding the Fourth Proportional to 947,509.56, 1,307,580.30 and 517,807.80

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Solution

The fourth proportional to 947,509.56, 1,307,580.30 and 517,807.80 is: 714,584.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,509.56 : 1,307,580.30 = 517,807.80 : x
  2. Step 2: Convert to fraction form
    947,509.56/1,307,580.30 = 517,807.80/x
  3. Step 3: Cross multiply
    947,509.56x = 1,307,580.30 × 517,807.80
  4. Step 4: Simplify right side
    947,509.56x = 677,075,278,466.34
  5. Step 5: Solve for x
    x = 677,075,278,466.34/947,509.56
  6. Step 6: Final answer
    x = 714,584.11

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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.