Home / 870,004.84-1,304,585.35-510,293.24

Finding the Fourth Proportional to 870,004.84, 1,304,585.35 and 510,293.24

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Solution

The fourth proportional to 870,004.84, 1,304,585.35 and 510,293.24 is: 765,192.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,004.84 : 1,304,585.35 = 510,293.24 : x
  2. Step 2: Convert to fraction form
    870,004.84/1,304,585.35 = 510,293.24/x
  3. Step 3: Cross multiply
    870,004.84x = 1,304,585.35 × 510,293.24
  4. Step 4: Simplify right side
    870,004.84x = 665,721,078,585.11
  5. Step 5: Solve for x
    x = 665,721,078,585.11/870,004.84
  6. Step 6: Final answer
    x = 765,192.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.