Home / 977,869.62-1,349,597.91-542,383.82

Finding the Fourth Proportional to 977,869.62, 1,349,597.91 and 542,383.82

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Solution

The fourth proportional to 977,869.62, 1,349,597.91 and 542,383.82 is: 748,566.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,869.62 : 1,349,597.91 = 542,383.82 : x
  2. Step 2: Convert to fraction form
    977,869.62/1,349,597.91 = 542,383.82/x
  3. Step 3: Cross multiply
    977,869.62x = 1,349,597.91 × 542,383.82
  4. Step 4: Simplify right side
    977,869.62x = 732,000,073,263.81
  5. Step 5: Solve for x
    x = 732,000,073,263.81/977,869.62
  6. Step 6: Final answer
    x = 748,566.13

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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.