Home / 817,055.37-1,127,604.51-454,547.52

Finding the Fourth Proportional to 817,055.37, 1,127,604.51 and 454,547.52

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Solution

The fourth proportional to 817,055.37, 1,127,604.51 and 454,547.52 is: 627,313.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,055.37 : 1,127,604.51 = 454,547.52 : x
  2. Step 2: Convert to fraction form
    817,055.37/1,127,604.51 = 454,547.52/x
  3. Step 3: Cross multiply
    817,055.37x = 1,127,604.51 × 454,547.52
  4. Step 4: Simplify right side
    817,055.37x = 512,549,833,561.32
  5. Step 5: Solve for x
    x = 512,549,833,561.32/817,055.37
  6. Step 6: Final answer
    x = 627,313.46

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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.