Home / 975,477.12-1,346,210.64-545,731.44

Finding the Fourth Proportional to 975,477.12, 1,346,210.64 and 545,731.44

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Solution

The fourth proportional to 975,477.12, 1,346,210.64 and 545,731.44 is: 753,138.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,477.12 : 1,346,210.64 = 545,731.44 : x
  2. Step 2: Convert to fraction form
    975,477.12/1,346,210.64 = 545,731.44/x
  3. Step 3: Cross multiply
    975,477.12x = 1,346,210.64 × 545,731.44
  4. Step 4: Simplify right side
    975,477.12x = 734,669,471,110.52
  5. Step 5: Solve for x
    x = 734,669,471,110.52/975,477.12
  6. Step 6: Final answer
    x = 753,138.60

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1.5x scale

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.