Home / 710,168.60-1,064,345.70-288,968.60

Finding the Fourth Proportional to 710,168.60, 1,064,345.70 and 288,968.60

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Solution

The fourth proportional to 710,168.60, 1,064,345.70 and 288,968.60 is: 433,083.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,168.60 : 1,064,345.70 = 288,968.60 : x
  2. Step 2: Convert to fraction form
    710,168.60/1,064,345.70 = 288,968.60/x
  3. Step 3: Cross multiply
    710,168.60x = 1,064,345.70 × 288,968.60
  4. Step 4: Simplify right side
    710,168.60x = 307,562,486,845.02
  5. Step 5: Solve for x
    x = 307,562,486,845.02/710,168.60
  6. Step 6: Final answer
    x = 433,083.76

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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.