Home / 977,124.60-1,465,759.80-345,956.40

Finding the Fourth Proportional to 977,124.60, 1,465,759.80 and 345,956.40

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Solution

The fourth proportional to 977,124.60, 1,465,759.80 and 345,956.40 is: 518,960.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,124.60 : 1,465,759.80 = 345,956.40 : x
  2. Step 2: Convert to fraction form
    977,124.60/1,465,759.80 = 345,956.40/x
  3. Step 3: Cross multiply
    977,124.60x = 1,465,759.80 × 345,956.40
  4. Step 4: Simplify right side
    977,124.60x = 507,088,983,672.72
  5. Step 5: Solve for x
    x = 507,088,983,672.72/977,124.60
  6. Step 6: Final answer
    x = 518,960.41

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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.