Home / 985,303.95-1,359,840.51-555,575.46

Finding the Fourth Proportional to 985,303.95, 1,359,840.51 and 555,575.46

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Solution

The fourth proportional to 985,303.95, 1,359,840.51 and 555,575.46 is: 766,762.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,303.95 : 1,359,840.51 = 555,575.46 : x
  2. Step 2: Convert to fraction form
    985,303.95/1,359,840.51 = 555,575.46/x
  3. Step 3: Cross multiply
    985,303.95x = 1,359,840.51 × 555,575.46
  4. Step 4: Simplify right side
    985,303.95x = 755,494,016,869.89
  5. Step 5: Solve for x
    x = 755,494,016,869.89/985,303.95
  6. Step 6: Final answer
    x = 766,762.40

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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.