Home / 765,783.02-1,148,674.16-292,516.22

Finding the Fourth Proportional to 765,783.02, 1,148,674.16 and 292,516.22

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Solution

The fourth proportional to 765,783.02, 1,148,674.16 and 292,516.22 is: 438,774.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,783.02 : 1,148,674.16 = 292,516.22 : x
  2. Step 2: Convert to fraction form
    765,783.02/1,148,674.16 = 292,516.22/x
  3. Step 3: Cross multiply
    765,783.02x = 1,148,674.16 × 292,516.22
  4. Step 4: Simplify right side
    765,783.02x = 336,005,818,282.80
  5. Step 5: Solve for x
    x = 336,005,818,282.80/765,783.02
  6. Step 6: Final answer
    x = 438,774.18

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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.