Home / 914,308.71-1,261,690.55-506,386.13

Finding the Fourth Proportional to 914,308.71, 1,261,690.55 and 506,386.13

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Solution

The fourth proportional to 914,308.71, 1,261,690.55 and 506,386.13 is: 698,782.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,308.71 : 1,261,690.55 = 506,386.13 : x
  2. Step 2: Convert to fraction form
    914,308.71/1,261,690.55 = 506,386.13/x
  3. Step 3: Cross multiply
    914,308.71x = 1,261,690.55 × 506,386.13
  4. Step 4: Simplify right side
    914,308.71x = 638,902,596,451.86
  5. Step 5: Solve for x
    x = 638,902,596,451.86/914,308.71
  6. Step 6: Final answer
    x = 698,782.14

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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.