Home / 918,106.67-1,267,017.98-510,225.71

Finding the Fourth Proportional to 918,106.67, 1,267,017.98 and 510,225.71

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Solution

The fourth proportional to 918,106.67, 1,267,017.98 and 510,225.71 is: 704,128.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,106.67 : 1,267,017.98 = 510,225.71 : x
  2. Step 2: Convert to fraction form
    918,106.67/1,267,017.98 = 510,225.71/x
  3. Step 3: Cross multiply
    918,106.67x = 1,267,017.98 × 510,225.71
  4. Step 4: Simplify right side
    918,106.67x = 646,465,139,542.05
  5. Step 5: Solve for x
    x = 646,465,139,542.05/918,106.67
  6. Step 6: Final answer
    x = 704,128.57

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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.