Home / 910,374.55-1,256,316.86-507,966.55

Finding the Fourth Proportional to 910,374.55, 1,256,316.86 and 507,966.55

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Solution

The fourth proportional to 910,374.55, 1,256,316.86 and 507,966.55 is: 700,993.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,374.55 : 1,256,316.86 = 507,966.55 : x
  2. Step 2: Convert to fraction form
    910,374.55/1,256,316.86 = 507,966.55/x
  3. Step 3: Cross multiply
    910,374.55x = 1,256,316.86 × 507,966.55
  4. Step 4: Simplify right side
    910,374.55x = 638,166,939,210.16
  5. Step 5: Solve for x
    x = 638,166,939,210.16/910,374.55
  6. Step 6: Final answer
    x = 700,993.83

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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.