Home / 586,918.80-878,045.40-508,899.60

Finding the Fourth Proportional to 586,918.80, 878,045.40 and 508,899.60

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Solution

The fourth proportional to 586,918.80, 878,045.40 and 508,899.60 is: 761,326.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,918.80 : 878,045.40 = 508,899.60 : x
  2. Step 2: Convert to fraction form
    586,918.80/878,045.40 = 508,899.60/x
  3. Step 3: Cross multiply
    586,918.80x = 878,045.40 × 508,899.60
  4. Step 4: Simplify right side
    586,918.80x = 446,836,952,841.84
  5. Step 5: Solve for x
    x = 446,836,952,841.84/586,918.80
  6. Step 6: Final answer
    x = 761,326.70

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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.