Home / 840,897.48-1,260,596.28-308,294.40

Finding the Fourth Proportional to 840,897.48, 1,260,596.28 and 308,294.40

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Solution

The fourth proportional to 840,897.48, 1,260,596.28 and 308,294.40 is: 462,166.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,897.48 : 1,260,596.28 = 308,294.40 : x
  2. Step 2: Convert to fraction form
    840,897.48/1,260,596.28 = 308,294.40/x
  3. Step 3: Cross multiply
    840,897.48x = 1,260,596.28 × 308,294.40
  4. Step 4: Simplify right side
    840,897.48x = 388,634,772,243.36
  5. Step 5: Solve for x
    x = 388,634,772,243.36/840,897.48
  6. Step 6: Final answer
    x = 462,166.65

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1.5x scale

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.