Home / 935,376.86-1,399,555.16-554,904.47

Finding the Fourth Proportional to 935,376.86, 1,399,555.16 and 554,904.47

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Solution

The fourth proportional to 935,376.86, 1,399,555.16 and 554,904.47 is: 830,274.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,376.86 : 1,399,555.16 = 554,904.47 : x
  2. Step 2: Convert to fraction form
    935,376.86/1,399,555.16 = 554,904.47/x
  3. Step 3: Cross multiply
    935,376.86x = 1,399,555.16 × 554,904.47
  4. Step 4: Simplify right side
    935,376.86x = 776,619,417,100.82
  5. Step 5: Solve for x
    x = 776,619,417,100.82/935,376.86
  6. Step 6: Final answer
    x = 830,274.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.