Home / 912,123.13-1,258,721.58-504,235.48

Finding the Fourth Proportional to 912,123.13, 1,258,721.58 and 504,235.48

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Solution

The fourth proportional to 912,123.13, 1,258,721.58 and 504,235.48 is: 695,840.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,123.13 : 1,258,721.58 = 504,235.48 : x
  2. Step 2: Convert to fraction form
    912,123.13/1,258,721.58 = 504,235.48/x
  3. Step 3: Cross multiply
    912,123.13x = 1,258,721.58 × 504,235.48
  4. Step 4: Simplify right side
    912,123.13x = 634,692,080,077.66
  5. Step 5: Solve for x
    x = 634,692,080,077.66/912,123.13
  6. Step 6: Final answer
    x = 695,840.35

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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.