Home / 975,477.78-1,346,211.66-545,732.28

Finding the Fourth Proportional to 975,477.78, 1,346,211.66 and 545,732.28

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Solution

The fourth proportional to 975,477.78, 1,346,211.66 and 545,732.28 is: 753,139.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,477.78 : 1,346,211.66 = 545,732.28 : x
  2. Step 2: Convert to fraction form
    975,477.78/1,346,211.66 = 545,732.28/x
  3. Step 3: Cross multiply
    975,477.78x = 1,346,211.66 × 545,732.28
  4. Step 4: Simplify right side
    975,477.78x = 734,671,158,574.39
  5. Step 5: Solve for x
    x = 734,671,158,574.39/975,477.78
  6. Step 6: Final answer
    x = 753,139.82

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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.