Home / 710,520.60-1,064,873.70-289,320.60

Finding the Fourth Proportional to 710,520.60, 1,064,873.70 and 289,320.60

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Solution

The fourth proportional to 710,520.60, 1,064,873.70 and 289,320.60 is: 433,611.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,520.60 : 1,064,873.70 = 289,320.60 : x
  2. Step 2: Convert to fraction form
    710,520.60/1,064,873.70 = 289,320.60/x
  3. Step 3: Cross multiply
    710,520.60x = 1,064,873.70 × 289,320.60
  4. Step 4: Simplify right side
    710,520.60x = 308,089,897,808.22
  5. Step 5: Solve for x
    x = 308,089,897,808.22/710,520.60
  6. Step 6: Final answer
    x = 433,611.49

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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.