Home / 975,433.78-1,346,150.91-545,688.28

Finding the Fourth Proportional to 975,433.78, 1,346,150.91 and 545,688.28

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Solution

The fourth proportional to 975,433.78, 1,346,150.91 and 545,688.28 is: 753,079.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,433.78 : 1,346,150.91 = 545,688.28 : x
  2. Step 2: Convert to fraction form
    975,433.78/1,346,150.91 = 545,688.28/x
  3. Step 3: Cross multiply
    975,433.78x = 1,346,150.91 × 545,688.28
  4. Step 4: Simplify right side
    975,433.78x = 734,578,774,698.34
  5. Step 5: Solve for x
    x = 734,578,774,698.34/975,433.78
  6. Step 6: Final answer
    x = 753,079.08

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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.