Home / 977,134.60-1,465,774.80-345,966.40

Finding the Fourth Proportional to 977,134.60, 1,465,774.80 and 345,966.40

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Solution

The fourth proportional to 977,134.60, 1,465,774.80 and 345,966.40 is: 518,975.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,134.60 : 1,465,774.80 = 345,966.40 : x
  2. Step 2: Convert to fraction form
    977,134.60/1,465,774.80 = 345,966.40/x
  3. Step 3: Cross multiply
    977,134.60x = 1,465,774.80 × 345,966.40
  4. Step 4: Simplify right side
    977,134.60x = 507,108,830,766.72
  5. Step 5: Solve for x
    x = 507,108,830,766.72/977,134.60
  6. Step 6: Final answer
    x = 518,975.41

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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.