Home / 771,775.02-1,065,419.73-542,528.82

Finding the Fourth Proportional to 771,775.02, 1,065,419.73 and 542,528.82

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Solution

The fourth proportional to 771,775.02, 1,065,419.73 and 542,528.82 is: 748,950.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,775.02 : 1,065,419.73 = 542,528.82 : x
  2. Step 2: Convert to fraction form
    771,775.02/1,065,419.73 = 542,528.82/x
  3. Step 3: Cross multiply
    771,775.02x = 1,065,419.73 × 542,528.82
  4. Step 4: Simplify right side
    771,775.02x = 578,020,908,921.62
  5. Step 5: Solve for x
    x = 578,020,908,921.62/771,775.02
  6. Step 6: Final answer
    x = 748,950.01

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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.