Home / 975,657.30-1,463,485.90-643,155.54

Finding the Fourth Proportional to 975,657.30, 1,463,485.90 and 643,155.54

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Solution

The fourth proportional to 975,657.30, 1,463,485.90 and 643,155.54 is: 964,733.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,657.30 : 1,463,485.90 = 643,155.54 : x
  2. Step 2: Convert to fraction form
    975,657.30/1,463,485.90 = 643,155.54/x
  3. Step 3: Cross multiply
    975,657.30x = 1,463,485.90 × 643,155.54
  4. Step 4: Simplify right side
    975,657.30x = 941,249,064,296.89
  5. Step 5: Solve for x
    x = 941,249,064,296.89/975,657.30
  6. Step 6: Final answer
    x = 964,733.28

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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.