Home / 914,456.34-1,262,565.95-570,815.46

Finding the Fourth Proportional to 914,456.34, 1,262,565.95 and 570,815.46

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Solution

The fourth proportional to 914,456.34, 1,262,565.95 and 570,815.46 is: 788,109.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,456.34 : 1,262,565.95 = 570,815.46 : x
  2. Step 2: Convert to fraction form
    914,456.34/1,262,565.95 = 570,815.46/x
  3. Step 3: Cross multiply
    914,456.34x = 1,262,565.95 × 570,815.46
  4. Step 4: Simplify right side
    914,456.34x = 720,692,160,675.51
  5. Step 5: Solve for x
    x = 720,692,160,675.51/914,456.34
  6. Step 6: Final answer
    x = 788,109.97

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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.