Home / 772,156.40-1,158,061.80-507,772.40

Finding the Fourth Proportional to 772,156.40, 1,158,061.80 and 507,772.40

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Solution

The fourth proportional to 772,156.40, 1,158,061.80 and 507,772.40 is: 761,544.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,156.40 : 1,158,061.80 = 507,772.40 : x
  2. Step 2: Convert to fraction form
    772,156.40/1,158,061.80 = 507,772.40/x
  3. Step 3: Cross multiply
    772,156.40x = 1,158,061.80 × 507,772.40
  4. Step 4: Simplify right side
    772,156.40x = 588,031,819,534.32
  5. Step 5: Solve for x
    x = 588,031,819,534.32/772,156.40
  6. Step 6: Final answer
    x = 761,544.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.