Home / 877,350.72-1,210,685.96-509,795.27

Finding the Fourth Proportional to 877,350.72, 1,210,685.96 and 509,795.27

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Solution

The fourth proportional to 877,350.72, 1,210,685.96 and 509,795.27 is: 703,483.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,350.72 : 1,210,685.96 = 509,795.27 : x
  2. Step 2: Convert to fraction form
    877,350.72/1,210,685.96 = 509,795.27/x
  3. Step 3: Cross multiply
    877,350.72x = 1,210,685.96 × 509,795.27
  4. Step 4: Simplify right side
    877,350.72x = 617,201,967,261.00
  5. Step 5: Solve for x
    x = 617,201,967,261.00/877,350.72
  6. Step 6: Final answer
    x = 703,483.74

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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.