Home / 779,799.29-1,170,070.79-424,805.45

Finding the Fourth Proportional to 779,799.29, 1,170,070.79 and 424,805.45

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Solution

The fourth proportional to 779,799.29, 1,170,070.79 and 424,805.45 is: 637,410.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,799.29 : 1,170,070.79 = 424,805.45 : x
  2. Step 2: Convert to fraction form
    779,799.29/1,170,070.79 = 424,805.45/x
  3. Step 3: Cross multiply
    779,799.29x = 1,170,070.79 × 424,805.45
  4. Step 4: Simplify right side
    779,799.29x = 497,052,440,503.42
  5. Step 5: Solve for x
    x = 497,052,440,503.42/779,799.29
  6. Step 6: Final answer
    x = 637,410.74

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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.