Home / 877,643.10-1,316,464.65-456,864.30

Finding the Fourth Proportional to 877,643.10, 1,316,464.65 and 456,864.30

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Solution

The fourth proportional to 877,643.10, 1,316,464.65 and 456,864.30 is: 685,296.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,643.10 : 1,316,464.65 = 456,864.30 : x
  2. Step 2: Convert to fraction form
    877,643.10/1,316,464.65 = 456,864.30/x
  3. Step 3: Cross multiply
    877,643.10x = 1,316,464.65 × 456,864.30
  4. Step 4: Simplify right side
    877,643.10x = 601,445,700,797.00
  5. Step 5: Solve for x
    x = 601,445,700,797.00/877,643.10
  6. Step 6: Final answer
    x = 685,296.45

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Similar ratio
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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.