Home / 914,036.48-1,261,369.54-506,138.30

Finding the Fourth Proportional to 914,036.48, 1,261,369.54 and 506,138.30

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Solution

The fourth proportional to 914,036.48, 1,261,369.54 and 506,138.30 is: 698,470.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,036.48 : 1,261,369.54 = 506,138.30 : x
  2. Step 2: Convert to fraction form
    914,036.48/1,261,369.54 = 506,138.30/x
  3. Step 3: Cross multiply
    914,036.48x = 1,261,369.54 × 506,138.30
  4. Step 4: Simplify right side
    914,036.48x = 638,427,433,703.34
  5. Step 5: Solve for x
    x = 638,427,433,703.34/914,036.48
  6. Step 6: Final answer
    x = 698,470.41

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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.