Home / 832,742.68-1,149,117.96-470,254.72

Finding the Fourth Proportional to 832,742.68, 1,149,117.96 and 470,254.72

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Solution

The fourth proportional to 832,742.68, 1,149,117.96 and 470,254.72 is: 648,913.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,742.68 : 1,149,117.96 = 470,254.72 : x
  2. Step 2: Convert to fraction form
    832,742.68/1,149,117.96 = 470,254.72/x
  3. Step 3: Cross multiply
    832,742.68x = 1,149,117.96 × 470,254.72
  4. Step 4: Simplify right side
    832,742.68x = 540,378,144,526.77
  5. Step 5: Solve for x
    x = 540,378,144,526.77/832,742.68
  6. Step 6: Final answer
    x = 648,913.71

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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.