Home / 877,316.57-1,210,700.10-474,908.57

Finding the Fourth Proportional to 877,316.57, 1,210,700.10 and 474,908.57

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Solution

The fourth proportional to 877,316.57, 1,210,700.10 and 474,908.57 is: 655,375.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,316.57 : 1,210,700.10 = 474,908.57 : x
  2. Step 2: Convert to fraction form
    877,316.57/1,210,700.10 = 474,908.57/x
  3. Step 3: Cross multiply
    877,316.57x = 1,210,700.10 × 474,908.57
  4. Step 4: Simplify right side
    877,316.57x = 574,971,844,761.81
  5. Step 5: Solve for x
    x = 574,971,844,761.81/877,316.57
  6. Step 6: Final answer
    x = 655,375.57

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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.