Home / 889,666.95-1,227,828.20-507,750.87

Finding the Fourth Proportional to 889,666.95, 1,227,828.20 and 507,750.87

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Solution

The fourth proportional to 889,666.95, 1,227,828.20 and 507,750.87 is: 700,746.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,666.95 : 1,227,828.20 = 507,750.87 : x
  2. Step 2: Convert to fraction form
    889,666.95/1,227,828.20 = 507,750.87/x
  3. Step 3: Cross multiply
    889,666.95x = 1,227,828.20 × 507,750.87
  4. Step 4: Simplify right side
    889,666.95x = 623,430,836,760.53
  5. Step 5: Solve for x
    x = 623,430,836,760.53/889,666.95
  6. Step 6: Final answer
    x = 700,746.31

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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.