Home / 993,070.78-1,370,464.32-563,415.46

Finding the Fourth Proportional to 993,070.78, 1,370,464.32 and 563,415.46

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Solution

The fourth proportional to 993,070.78, 1,370,464.32 and 563,415.46 is: 777,528.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,070.78 : 1,370,464.32 = 563,415.46 : x
  2. Step 2: Convert to fraction form
    993,070.78/1,370,464.32 = 563,415.46/x
  3. Step 3: Cross multiply
    993,070.78x = 1,370,464.32 × 563,415.46
  4. Step 4: Simplify right side
    993,070.78x = 772,140,785,266.39
  5. Step 5: Solve for x
    x = 772,140,785,266.39/993,070.78
  6. Step 6: Final answer
    x = 777,528.45

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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.