Home / 889,605.02-1,227,742.84-507,689.22

Finding the Fourth Proportional to 889,605.02, 1,227,742.84 and 507,689.22

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Solution

The fourth proportional to 889,605.02, 1,227,742.84 and 507,689.22 is: 700,661.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,605.02 : 1,227,742.84 = 507,689.22 : x
  2. Step 2: Convert to fraction form
    889,605.02/1,227,742.84 = 507,689.22/x
  3. Step 3: Cross multiply
    889,605.02x = 1,227,742.84 × 507,689.22
  4. Step 4: Simplify right side
    889,605.02x = 623,311,804,800.19
  5. Step 5: Solve for x
    x = 623,311,804,800.19/889,605.02
  6. Step 6: Final answer
    x = 700,661.29

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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.