Home / 771,558.02-1,064,713.02-427,370.71

Finding the Fourth Proportional to 771,558.02, 1,064,713.02 and 427,370.71

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Solution

The fourth proportional to 771,558.02, 1,064,713.02 and 427,370.71 is: 589,751.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,558.02 : 1,064,713.02 = 427,370.71 : x
  2. Step 2: Convert to fraction form
    771,558.02/1,064,713.02 = 427,370.71/x
  3. Step 3: Cross multiply
    771,558.02x = 1,064,713.02 × 427,370.71
  4. Step 4: Simplify right side
    771,558.02x = 455,027,153,980.08
  5. Step 5: Solve for x
    x = 455,027,153,980.08/771,558.02
  6. Step 6: Final answer
    x = 589,751.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.