Home / 977,667.60-1,466,647.20-346,531.80

Finding the Fourth Proportional to 977,667.60, 1,466,647.20 and 346,531.80

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Solution

The fourth proportional to 977,667.60, 1,466,647.20 and 346,531.80 is: 519,849.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,667.60 : 1,466,647.20 = 346,531.80 : x
  2. Step 2: Convert to fraction form
    977,667.60/1,466,647.20 = 346,531.80/x
  3. Step 3: Cross multiply
    977,667.60x = 1,466,647.20 × 346,531.80
  4. Step 4: Simplify right side
    977,667.60x = 508,239,894,180.96
  5. Step 5: Solve for x
    x = 508,239,894,180.96/977,667.60
  6. Step 6: Final answer
    x = 519,849.38

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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.