Home / 830,037.62-1,145,494.56-507,646.55

Finding the Fourth Proportional to 830,037.62, 1,145,494.56 and 507,646.55

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Solution

The fourth proportional to 830,037.62, 1,145,494.56 and 507,646.55 is: 700,578.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,037.62 : 1,145,494.56 = 507,646.55 : x
  2. Step 2: Convert to fraction form
    830,037.62/1,145,494.56 = 507,646.55/x
  3. Step 3: Cross multiply
    830,037.62x = 1,145,494.56 × 507,646.55
  4. Step 4: Simplify right side
    830,037.62x = 581,506,353,162.06
  5. Step 5: Solve for x
    x = 581,506,353,162.06/830,037.62
  6. Step 6: Final answer
    x = 700,578.31

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Double scale
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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.