Home / 802,430.13-1,106,707.86-705,426.59

Finding the Fourth Proportional to 802,430.13, 1,106,707.86 and 705,426.59

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Solution

The fourth proportional to 802,430.13, 1,106,707.86 and 705,426.59 is: 972,921.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,430.13 : 1,106,707.86 = 705,426.59 : x
  2. Step 2: Convert to fraction form
    802,430.13/1,106,707.86 = 705,426.59/x
  3. Step 3: Cross multiply
    802,430.13x = 1,106,707.86 × 705,426.59
  4. Step 4: Simplify right side
    802,430.13x = 780,701,146,272.46
  5. Step 5: Solve for x
    x = 780,701,146,272.46/802,430.13
  6. Step 6: Final answer
    x = 972,921.03

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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.