Home / 720,021.33-1,077,688.23-530,407.20

Finding the Fourth Proportional to 720,021.33, 1,077,688.23 and 530,407.20

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Solution

The fourth proportional to 720,021.33, 1,077,688.23 and 530,407.20 is: 793,884.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,021.33 : 1,077,688.23 = 530,407.20 : x
  2. Step 2: Convert to fraction form
    720,021.33/1,077,688.23 = 530,407.20/x
  3. Step 3: Cross multiply
    720,021.33x = 1,077,688.23 × 530,407.20
  4. Step 4: Simplify right side
    720,021.33x = 571,613,596,547.26
  5. Step 5: Solve for x
    x = 571,613,596,547.26/720,021.33
  6. Step 6: Final answer
    x = 793,884.25

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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.