Home / 840,902.86-1,160,042.35-550,386.53

Finding the Fourth Proportional to 840,902.86, 1,160,042.35 and 550,386.53

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Solution

The fourth proportional to 840,902.86, 1,160,042.35 and 550,386.53 is: 759,269.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,902.86 : 1,160,042.35 = 550,386.53 : x
  2. Step 2: Convert to fraction form
    840,902.86/1,160,042.35 = 550,386.53/x
  3. Step 3: Cross multiply
    840,902.86x = 1,160,042.35 × 550,386.53
  4. Step 4: Simplify right side
    840,902.86x = 638,471,681,875.50
  5. Step 5: Solve for x
    x = 638,471,681,875.50/840,902.86
  6. Step 6: Final answer
    x = 759,269.24

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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.