Home / 816,812.52-1,127,036.10-477,215.16

Finding the Fourth Proportional to 816,812.52, 1,127,036.10 and 477,215.16

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Solution

The fourth proportional to 816,812.52, 1,127,036.10 and 477,215.16 is: 658,460.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,812.52 : 1,127,036.10 = 477,215.16 : x
  2. Step 2: Convert to fraction form
    816,812.52/1,127,036.10 = 477,215.16/x
  3. Step 3: Cross multiply
    816,812.52x = 1,127,036.10 × 477,215.16
  4. Step 4: Simplify right side
    816,812.52x = 537,838,712,787.28
  5. Step 5: Solve for x
    x = 537,838,712,787.28/816,812.52
  6. Step 6: Final answer
    x = 658,460.42

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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.