Home / 709,779.90-1,063,592.60-520,366.38

Finding the Fourth Proportional to 709,779.90, 1,063,592.60 and 520,366.38

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Solution

The fourth proportional to 709,779.90, 1,063,592.60 and 520,366.38 is: 779,759.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,779.90 : 1,063,592.60 = 520,366.38 : x
  2. Step 2: Convert to fraction form
    709,779.90/1,063,592.60 = 520,366.38/x
  3. Step 3: Cross multiply
    709,779.90x = 1,063,592.60 × 520,366.38
  4. Step 4: Simplify right side
    709,779.90x = 553,457,831,056.79
  5. Step 5: Solve for x
    x = 553,457,831,056.79/709,779.90
  6. Step 6: Final answer
    x = 779,759.80

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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.