Home / 934,779.60-1,402,606.80-486,007.20

Finding the Fourth Proportional to 934,779.60, 1,402,606.80 and 486,007.20

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Solution

The fourth proportional to 934,779.60, 1,402,606.80 and 486,007.20 is: 729,238.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,779.60 : 1,402,606.80 = 486,007.20 : x
  2. Step 2: Convert to fraction form
    934,779.60/1,402,606.80 = 486,007.20/x
  3. Step 3: Cross multiply
    934,779.60x = 1,402,606.80 × 486,007.20
  4. Step 4: Simplify right side
    934,779.60x = 681,677,003,568.96
  5. Step 5: Solve for x
    x = 681,677,003,568.96/934,779.60
  6. Step 6: Final answer
    x = 729,238.21

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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.