Home / 870,226.45-1,200,988.49-507,767.08

Finding the Fourth Proportional to 870,226.45, 1,200,988.49 and 507,767.08

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Solution

The fourth proportional to 870,226.45, 1,200,988.49 and 507,767.08 is: 700,762.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,226.45 : 1,200,988.49 = 507,767.08 : x
  2. Step 2: Convert to fraction form
    870,226.45/1,200,988.49 = 507,767.08/x
  3. Step 3: Cross multiply
    870,226.45x = 1,200,988.49 × 507,767.08
  4. Step 4: Simplify right side
    870,226.45x = 609,822,418,680.91
  5. Step 5: Solve for x
    x = 609,822,418,680.91/870,226.45
  6. Step 6: Final answer
    x = 700,762.91

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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.